C Program to Find Perfect Number using while loop

http://technotip.com/6855/c-program-to-find-perfect-number-using-while-loop/

Lets write a C program to check if user entered number is a perfect number or not, using while loop.

Perfect Number: A number is called perfect number if sum of its divisors(except the number itself) is equal to the number.

For Example: If the user entered number is 6. The numbers which perfectly divide 6 are 1, 2, 3 and 6. Leave 6 and add all other numbers. i.e., 1 + 2 + 3 = 6. So the entered number and the sum are equal. So 6 is a perfect number.

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