#Write a program that reads a positive integer. The program finds and 
#prints the sum of all divisors of the input number. 

#Solution 1: using loop WHILE

num=int(input("enter positive number "))

if(num>0):
	sum=0
	i=1
	print("all divisors are")
	while(i<=num):
		if(num%i==0):
			print(i)
			sum=sum+i
		i=i+1
	print("sum of divisors",sum)
else:
	print("invalid input")