OFFSET
1,2
COMMENTS
If p is a prime, then 2*p^5 belongs to this sequence. Conjecture: The converse is true. - Alexandra Hercilia Pereira Silva, Oct 04 2022
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..10000
MATHEMATICA
f[n_] := Block[{d = Divisors@ n}, Plus @@ (Max[#, n/#]^5 & /@ d)]; Array[f, 32] (* Robert G. Wilson v, Jan 07 2018 *)
PROG
(PARI) {a(n) = sumdiv(n, d, max(d, n/d)^5)}
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Jan 07 2018
STATUS
approved