OFFSET
1,6
COMMENTS
Sum of all other divisors of n, except those divisors that can be obtained by repeatedly taking the largest proper divisor (of previous such divisor, starting from n), up to and including the terminal 1.
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..16384
Antti Karttunen, Data supplement: n, a(n) computed for n = 1..65537
FORMULA
PROG
CROSSREFS
KEYWORD
nonn,look
AUTHOR
Antti Karttunen, Apr 05 2020
STATUS
approved