OFFSET
1,2
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..10080
Antti Karttunen, Data supplement: n, a(n) computed for n = 1..117800
PROG
(PARI) A324122(n) = (sigma(n) - gcd(sigma(n), n*numdiv(n)));
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Feb 15 2019
STATUS
approved