%I
%S 0,2,4,2,8,5,12,2,4,9,20,5,24,13,14,2,32,5,36,9,20,21,44,5,8,25,4,13,
%T 56,15,60,2,32,33,34,5,72,37,38,9,80,21,84,21,14,45,92,5,12,9,50,25,
%U 104,5,54,13,56,57,116,15,120,61,20,2,64,33,132,33,68,35,140,5,144,73,14
%N a(n) = nth sum{p1p is prime and divisor of n} plus nth product{p1p is prime and divisor of n}
%C for n=1 sum{p1p is prime and divisor of 1} is zero.
%F a(n)=A055631(n)+A173557(n).
%Y Cf. A055631, A173557.
%K nonn
%O 1,2
%A _JuriStepan Gerasimov_, Mar 09 2010
%E Formula index corrected, a 62 replaced by 64  _R. J. Mathar_, Apr 25 2010.
