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Real part of the multiplier m of the multiperfect Gaussian integer A100884(n)+i*A100885(n).
8

%I #10 Feb 10 2020 09:02:06

%S 1,2,-1,2,-1,2,-2,1,-1,0,-3,1,-3,0,-2,-4,-3,1,-4,2,0,3,0,1,3,3,4,3,0,

%T -1,0,5,3,-5,4,0,4,0,0,0,-4

%N Real part of the multiplier m of the multiperfect Gaussian integer A100884(n)+i*A100885(n).

%C Let the Gaussian integer z = A100884(n)+i*A100885(n). Then a(n) = Re(m) = Re( sigma(z)/z) .

%Y Cf. A100884, A100885, A100890.

%K sign,more

%O 1,2

%A _Yasutoshi Kohmoto_

%E Edited, all values replaced by _R. J. Mathar_, Mar 12 2010

%E a(10)-a(41) from _Amiram Eldar_, Feb 10 2020