How do I write a program in C++ to find the perfect numbers between 1 and 500?

Question

Ravi Vishwakarma · Answer

#include andlt;iostream>using namespace std;void findPerfectNumber(int start, int end);int isPerfectNumber(int num);int main(){and  and  findPerfectNumber(1,500);and  and  return 0;}void findPerfectNumber(int start, int end){and  and  for(int i = start; iandlt;= end; iand#43;and#43;){and  and  and  and  if(isPerfectNumber(i))and  and  and  and  and  and  coutandlt;andlt; i andlt;andlt; ', ';and  and  }and  and  coutandlt;andlt;'\b\b ';}int isPerfectNumber(int num){and  and  int sum = 0;and  and  for(int i =1; iandlt;=num/2;iand#43;and#43;)and  and  and  and  if(num%i == 0)and  and  and  and  and  and  sum and#43;= i;and  and  return num == sum ? 1:0;}
Output.
6, 28, 496and and 
What is perfect no.
perfect number, a positive integer that is equal to the sum of its proper divisors. The smallest perfect number is 6, which is the sum of 1, 2, and 3. Other perfect numbers are 28, 496, and 8,128.

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How do I write a program in C++ to find the perfect numbers between 1 and 500?

Mukul Goenka

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