401336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 861840

約数和(自身を除く): 460504

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 227, 442, 454, 884, 908, 1768, 1816, 2951, 3859, 5902, 7718, 11804, 15436, 23608, 30872, 50167, 100334, 200668, 401336]

約数ペア:

[(1, 401336), (2, 200668), (4, 100334), (8, 50167), (13, 30872), (17, 23608), (26, 15436), (34, 11804), (52, 7718), (68, 5902), (104, 3859), (136, 2951), (221, 1816), (227, 1768), (442, 908), (454, 884)]