31391656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3251}}^1$

素因数の和:3345

約数の個数: 32

約数和(自身を含む): 63218880

約数和(自身を除く): 31827224

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2414, 3251, 4828, 6502, 9656, 13004, 26008, 55267, 110534, 221068, 230821, 442136, 461642, 923284, 1846568, 3923957, 7847914, 15695828, 31391656]

約数ペア:

[(1, 31391656), (2, 15695828), (4, 7847914), (8, 3923957), (17, 1846568), (34, 923284), (68, 461642), (71, 442136), (136, 230821), (142, 221068), (284, 110534), (568, 55267), (1207, 26008), (2414, 13004), (3251, 9656), (4828, 6502)]