题目:
题解:
class Solution:def checkPerfectNumber(self, num: int) -> bool:if num == 1:return Falsesum = 1d = 2while d * d <= num:if num % d == 0:sum += dif d * d < num:sum += num / dd += 1return sum == num
题目:
题解:
class Solution:def checkPerfectNumber(self, num: int) -> bool:if num == 1:return Falsesum = 1d = 2while d * d <= num:if num % d == 0:sum += dif d * d < num:sum += num / dd += 1return sum == num
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