完全数(Perfect number),又称完美数或完备数,是一些特殊的自然数。它所有的真因子(即除了自身以外的约数)的和(即因子函数),恰好等于它本身。请你完善下面Python程序,找出1000以内的所有完全数。 def perfect(m): if m<=1:return False sum=1 for i in range(): if : sum+=i return m==
方法1:优化版(减少存储 & 直接累加) defclassify(number):"""Classify a number as 'perfect', 'abundant', or 'deficient'."""ifnumber <=0:raiseValueError("Classification is only possible for positive integers.") divisor_sum =sum(iforiinrange(1, number //2+1)ifnumber % i ==0)return"per...
找出1000 以内所有的完全数,完全数 ( Perfect number ) 是一些特殊的自然数,它所有的真因子 ( 即除了自身以外的因子 ) 的和 ( 即因子 函数 ) 恰好等于它本身 [ 输入形式 ] 无 [ 输出形式 ] 6 28 496 相关知识点: 试题来源: 解析 Python代码如下: def find_perfect_numbers(): for n in range...
下面是整个问题的完整代码: defis_perfect_number(num):ifsum_of_factors(num)==num:returnTrueelse:returnFalsedefsum_of_factors(num):sum=0foriinrange(1,num):ifnum%i==0:sum+=ireturnsumfornuminrange(1,1001):ifis_perfect_number(num):print(num) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. ...
编写函数perfect_number: 首先,我们需要定义一个名为perfect_number的函数,它接受一个参数limit,该参数有一个默认值1000。这个函数将用于寻找并返回在1到limit范围内的所有完美数。 python def perfect_number(limit=1000): # 函数体将在下面编写 遍历从1到limit的所有整数: 在函数内部,我们将使用一个for循环...
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Printing perfect numbers: Here, we are going to learn how to find and print the perfect numbers from a given list in Python? By Ankit Rai Last updated : January 04, 2024 A perfect number is a positive integer that is equal to the sum of its proper positive divisors....
Python: 1 2 3 4 5 6 7 8 9 10 11 classSolution(object): defcheckPerfectNumber(self, num): """ :type num: int :rtype: bool """ ifnum <=0:returnFalse ans, SQRT=0,int(num**0.5) ans=sum(i+num//iforiinrange(1, SQRT+1)ifnotnum%i) ...
public static boolean isPerfectNumber(int num) { int originalNum = num; int lastNum = num; int index = 2; int newSum = 1; while (index < lastNum) { if(num % index == 0) { lastNum = num / index; newSum += index; newSum += lastNum; } index++; } return newSum == ori...
11. Check if a Number is PerfectWrite a Python function to check whether a number is "Perfect" or not.According to Wikipedia : In number theory, a perfect number is a positive integer that is equal to the sum of its proper positive divisors, that is, the sum of its positive divisors ...