15991456

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{2957}}^1$

素因数の和:2993

約数の個数: 36

約数和(自身を含む): 34102782

約数和(自身を除く): 18111326

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 2957, 5408, 5914, 11828, 23656, 38441, 47312, 76882, 94624, 153764, 307528, 499733, 615056, 999466, 1230112, 1998932, 3997864, 7995728, 15991456]

約数ペア:

[(1, 15991456), (2, 7995728), (4, 3997864), (8, 1998932), (13, 1230112), (16, 999466), (26, 615056), (32, 499733), (52, 307528), (104, 153764), (169, 94624), (208, 76882), (338, 47312), (416, 38441), (676, 23656), (1352, 11828), (2704, 5914), (2957, 5408)]