28179668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3251}}^1$

素因数の和:3463

約数の個数: 24

約数和(自身を含む): 54087264

約数和(自身を除く): 25907596

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 3251, 4334, 6502, 8668, 13004, 35761, 71522, 143044, 640447, 1280894, 2561788, 7044917, 14089834, 28179668]

約数ペア:

[(1, 28179668), (2, 14089834), (4, 7044917), (11, 2561788), (22, 1280894), (44, 640447), (197, 143044), (394, 71522), (788, 35761), (2167, 13004), (3251, 8668), (4334, 6502)]