%I
%S 1,2,4,4,4,8,8,8,13,16,12,16,6,16,16,16,6,26,20,56,32,24,24,32,
%T 36,42,40,32,8,64,32,32,48,54,32,52,8,40,24,24,10,64,44,48,52,
%U 48,48,64,57,165,24,114,10,80,48,64,80,92,60,224,12,64,104,64,120,96,68,134,96,128,72,104,12,116,144,80,96
%N Real part of the sum of divisors function sigma(n) generalized for Gaussian integers.
%C See A103229 for the imaginary part and A103230 for the norm.
%C See A102506 for a complete description. Note that sigma(n) is real iff n is in A004614.
%H Amiram Eldar, <a href="/A103228/b103228.txt">Table of n, a(n) for n = 1..10000</a>
%t Re[Table[DivisorSigma[1, n, GaussianIntegers > True], {n, 100}]]
%Y Cf. A004614, A102506, A103229, A103230.
%K sign
%O 1,2
%A _T. D. Noe_, Jan 26 2005
