%I A033635
%S A033635 4,64,48400,37822470400,6935904849126400,11883371958374400,
%T A033635 62796991981158400,87762493613171048488960000,
%U A033635 874812594495483490385610887270400000000000000
%N A033635 Square-root-perfect numbers: srsigma(n)=m*n^(1/2) for some integer m.
%F A033635 If n = Product p(i)^r(i) then srsigma(n) = Product [ (p(i)^(r(i)/2+1/
               2)-1)/(p(i)^(1/2)-1) ].
%Y A033635 Sequence in context: A120581 A146520 A030176 this_sequence A138835 A119601 
               A058438
%Y A033635 Adjacent sequences: A033632 A033633 A033634 this_sequence A033636 A033637 
               A033638
%K A033635 nonn
%O A033635 0,1
%A A033635 Yasutoshi Kohmoto (zbi74583(AT)boat.zero.ad.jp)