12987728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3673}}^1$

素因数の和:3711

約数の個数: 40

約数和(自身を含む): 28701288

約数和(自身を除く): 15713560

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 3673, 7346, 14692, 29384, 47749, 58768, 62441, 95498, 124882, 190996, 249764, 381992, 499528, 763984, 811733, 999056, 1623466, 3246932, 6493864, 12987728]

約数ペア:

[(1, 12987728), (2, 6493864), (4, 3246932), (8, 1623466), (13, 999056), (16, 811733), (17, 763984), (26, 499528), (34, 381992), (52, 249764), (68, 190996), (104, 124882), (136, 95498), (208, 62441), (221, 58768), (272, 47749), (442, 29384), (884, 14692), (1768, 7346), (3536, 3673)]