#include<stdio.h>
#include<math.h>
void main()
{
int i,n,sum,lim;
clrscr();
printf(“nnt ENTER THE UPPER LIMIT…: “);
scanf(“%d”,&lim);
printf(“nnt THE PERFECT NUMBER ARE..:”);
for(n=1;n<lim;n++)
{
sum = 0;
for(i=1;i<n;i++)
if(n%i == 0)
sum = sum + i;
if (sum == n)
printf(“nnttt%d”,n);
}
getch();
}

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Tagged as: c Program to find the perfect numbers below a given number., Program to find the perfect numbers below a given number.