Perfect number

 

Title: Check whether the given number is Perfect number or not

For example:

(i)                8 Factors 1,2,4,8

Except 8 add remaining all 1+2+4=7

8 is not a perfect number

(ii)              6 Factors 1,2,3,6

Except 6 add remaining all 1+2+3=6

6 is a perfect number

Program:

n=int(input("Enter n value\n"))

sum=0

for i in range(1,n):

    if(n%i==0):

        sum=sum+i

if(n==sum):

    print(n," is perfect number")

else:

    print(n," is not perfect number")

Output:

            Enter n value

6

6  is perfect