168694864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11423}}^1$

素因数の和:11515

約数の個数: 40

約数和(自身を含む): 356977152

約数和(自身を除く): 188282288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 11423, 14768, 22846, 45692, 91384, 148499, 182768, 296998, 593996, 811033, 1187992, 1622066, 2375984, 3244132, 6488264, 10543429, 12976528, 21086858, 42173716, 84347432, 168694864]

約数ペア:

[(1, 168694864), (2, 84347432), (4, 42173716), (8, 21086858), (13, 12976528), (16, 10543429), (26, 6488264), (52, 3244132), (71, 2375984), (104, 1622066), (142, 1187992), (208, 811033), (284, 593996), (568, 296998), (923, 182768), (1136, 148499), (1846, 91384), (3692, 45692), (7384, 22846), (11423, 14768)]