Y by egxa, Amir Hossein, sami1618
For an integer
,
denotes the sum of postitive divisors of
. A sequence of positive integers
with
is defined as follows: For each
,
is the smallest integer greater than
that satisfies
Determine the number of divisors of
amongst the sequence.










This post has been edited 3 times. Last edited by Cookierookie, Mar 18, 2024, 8:43 PM