The greatest proper divisor (
) of an integer x is the largest integer y, such that 
and 
. Furthermore, we define: 
.
) of an integer x is the largest integer y, such that and . Furthermore, we define: . Below is the set of 's of numbers from 1 to 
:
's of numbers from 1 to :
.Given an integer n, create a function that outputs the sum of 's of all integers from 1 to n, inclusive. For 
, your function should return, 
.
's of all integers from 1 to n, inclusive. For , your function should return, .
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Really is an easy one! Solved the single cases in an hour, another hour to speed it up enough for the multiple cases.
Also, why is my solution showing up as if it were the first submitted?