How do you write a C program to find out perfect numbers from 1 and 50?

Answer 1

To find perfect numbers between 1 and 50 in a C program, you can iterate through each number in that range and check if it is equal to the sum of its proper divisors. A perfect number is defined as a number that is equal to the sum of its positive divisors, excluding itself. Here's a basic outline of the program:

#include <stdio.h>

int main() {
    for (int num = 1; num <= 50; num++) {
        int sum = 0;
        for (int i = 1; i <= num / 2; i++) {
            if (num % i == 0) sum += i;
        }
        if (sum == num) printf("%d is a perfect number\n", num);
    }
    return 0;
}

This code checks each number from 1 to 50 and prints out the perfect numbers found in that range.