Program to find perfect numbers from 1 to 100.

C program to print perfect numbers from 1 to 100

#include<stdio.h>

int main(){

  int n,i,sum;

  printf("Perfect numbers are: ");

  for(n=1;n<=100;n++){

    i=1;

    sum = 0;

    while(i<n){

      if(n%i==0)

           sum=sum+i;

          i++;

    }

    if(sum==n)

      printf("%d ",n);

  }

  return 0;

}

Output:

Perfect numbers are: 6 28