12887908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3529}}^1$

素因数の和:3627

約数の個数: 24

約数和(自身を含む): 24907680

約数和(自身を除く): 12019772

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3529, 3652, 7058, 14116, 38819, 77638, 155276, 292907, 585814, 1171628, 3221977, 6443954, 12887908]

約数ペア:

[(1, 12887908), (2, 6443954), (4, 3221977), (11, 1171628), (22, 585814), (44, 292907), (83, 155276), (166, 77638), (332, 38819), (913, 14116), (1826, 7058), (3529, 3652)]