OFFSET
1,1
PROG
(PARI) for(n=1, 10^8, s=sigma(2*n); if(s%n==0, print1(s/n, ", "))) \\ Ralf Stephan, Nov 30 2013
CROSSREFS
KEYWORD
nonn,more,less
AUTHOR
Alex Ratushnyak, Nov 28 2013
EXTENSIONS
a(30)-a(54) from Jinyuan Wang, Mar 03 2020
STATUS
approved