87404372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{20479}}^1$

素因数の和:20591

約数の個数: 24

約数和(自身を含む): 168591360

約数和(自身を除く): 81186988

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 20479, 40958, 81916, 225269, 450538, 901076, 1986463, 3972926, 7945852, 21851093, 43702186, 87404372]

約数ペア:

[(1, 87404372), (2, 43702186), (4, 21851093), (11, 7945852), (22, 3972926), (44, 1986463), (97, 901076), (194, 450538), (388, 225269), (1067, 81916), (2134, 40958), (4268, 20479)]