31191056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8821}}^1$

素因数の和:8859

約数の個数: 40

約数和(自身を含む): 68917464

約数和(自身を除く): 37726408

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 8821, 17642, 35284, 70568, 114673, 141136, 149957, 229346, 299914, 458692, 599828, 917384, 1199656, 1834768, 1949441, 2399312, 3898882, 7797764, 15595528, 31191056]

約数ペア:

[(1, 31191056), (2, 15595528), (4, 7797764), (8, 3898882), (13, 2399312), (16, 1949441), (17, 1834768), (26, 1199656), (34, 917384), (52, 599828), (68, 458692), (104, 299914), (136, 229346), (208, 149957), (221, 141136), (272, 114673), (442, 70568), (884, 35284), (1768, 17642), (3536, 8821)]