258875864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{146423}}^1$

素因数の和:146459

約数の個数: 32

約数和(自身を含む): 553482720

約数和(自身を除く): 294606856

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 146423, 292846, 585692, 1171384, 1903499, 2489191, 3806998, 4978382, 7613996, 9956764, 15227992, 19913528, 32359483, 64718966, 129437932, 258875864]

約数ペア:

[(1, 258875864), (2, 129437932), (4, 64718966), (8, 32359483), (13, 19913528), (17, 15227992), (26, 9956764), (34, 7613996), (52, 4978382), (68, 3806998), (104, 2489191), (136, 1903499), (221, 1171384), (442, 585692), (884, 292846), (1768, 146423)]