OFFSET
1,2
COMMENTS
a(8) has 216 digits (116929951...000000000).
Supersequence of A067584.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..11
MATHEMATICA
s = {}; Do[If[Divisible[DivisorSigma[1, n], n], AppendTo[s, n^(DivisorSigma[0, n]/2)]], {n, 10^4}]; s (* Amiram Eldar, Jul 04 2019 *)
PROG
(Magma) [&*[d: d in Divisors(m)]: m in [1..10^5] | IsIntegral(SumOfDivisors(m)/m)]
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, May 26 2019
STATUS
approved