68679728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19423}}^1$

素因数の和:19461

約数の個数: 40

約数和(自身を含む): 151740288

約数和(自身を除く): 83060560

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 19423, 38846, 77692, 155384, 252499, 310768, 330191, 504998, 660382, 1009996, 1320764, 2019992, 2641528, 4039984, 4292483, 5283056, 8584966, 17169932, 34339864, 68679728]

約数ペア:

[(1, 68679728), (2, 34339864), (4, 17169932), (8, 8584966), (13, 5283056), (16, 4292483), (17, 4039984), (26, 2641528), (34, 2019992), (52, 1320764), (68, 1009996), (104, 660382), (136, 504998), (208, 330191), (221, 310768), (272, 252499), (442, 155384), (884, 77692), (1768, 38846), (3536, 19423)]