human
Sum of all proper divisors from 1 to N | Utility function to find sum of all proper divisor of number up to N.
Loop to find the proper divisor of every number from 1 to N.
Driver Code"
How can the above be solved in Python?

Give me a code to sum of all proper divisors from 1 to N and the other steps required?
assistant
#Here is code to sum of all proper divisors from 1 to N and the other steps required.
 def properDivisorSum ( n ) :
	sum = 0
	for i in range ( 1 , n + 1 ) :
		sum += ( n // i ) * i
	return sum - n * ( n + 1 ) // 2
n = 4
print ( properDivisorSum ( n ) )
n = 5
print ( properDivisorSum ( n ) )