Perfect number programe using C#.Net

Check the given Number is Perfect Or Not Using C#.Net

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace perfactnumber
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, n, sum = 0;
            Console.WriteLine("enter the num:");
            n = Convert.ToInt32(Console.ReadLine());
            for (i = 1; i < n; i++)
            {
                if (n % i == 0)
                    sum = sum + i;
            }
            if (sum == n)

                Console.WriteLine("number is perfect", +n);
            else
            {
                Console.WriteLine("not perfect", +n);
            }
            }
     }
}

OutPut :

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