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import java.util.Scanner;
public class PerfectNumber {
public static void main(String args[]) {
int sum = 0;
Scanner sc = new Scanner(System.in);
System.out.print("Pick a number: ");
long number = sc.nextInt(), i;
System.out.print("The divisors of " + number + " are: 1 , ");
// Calculates the divisors of the given number
for (i = 2; i <= number / 2; i++) {
if (number % i == 0) {
System.out.print(i + " , ");
}
}
System.out.println(number);
// Checks if it is a perfect number
for(int j = 1; j < number; j++)
{
if(number % j == 0)
{
sum = sum + j;
}
}
if(sum == number) // If sum is the same as number, it is a perfect number
{
System.out.println(number + " is a perfect number!");
}
else // Otherwise it is not a perfect number
{
System.out.println(number + " is not a perfect number!");
}
sc.close();
}
}
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