#include <stdio.h>
#include "is_perfect_number.h"
#include "divisor_sum.h"
int main()
{
unsigned long n = 8128;
for(unsigned long i = 1; i<=n; i++)
int t = is_perfect_number(i);
if(t!=0)
printf("%i\n",is_perfect_number(i));
}
return 0;