68. Number is perfect Yes : Print binary of number No : Print count of factor

#include<stdio.h>

void main()

{

        int r,b,i,num,c=0,sum=0;

        printf("Number is perfect \nYes : Print binary of number \nNo : Print count of factor\n");

        printf("Enter a number : ");

        scanf("%d",&num);

        for(i=1;i<=num;i++)

        {

                if(num%i==0)

                {

                        sum=sum+i;

                        c++;

                }

        }

        if(sum-num==num)

        {

                printf("Its a perfect number\n");

                printf("Binary of %d : ",num);

                for(b=31;b>=0;b--)

                {

                        r=num>>b&1;

                        printf("%d",r);

                }

                printf("\n");

        }

 

 

 

        else

                printf("Not a perfect number and factors are %d \n",c);

}