163949488

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{249923}}^1$

素因数の和:249972

約数の個数: 20

約数和(自身を含む): 325401048

約数和(自身を除く): 161451560

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 249923, 499846, 999692, 1999384, 3998768, 10246843, 20493686, 40987372, 81974744, 163949488]

約数ペア:

[(1, 163949488), (2, 81974744), (4, 40987372), (8, 20493686), (16, 10246843), (41, 3998768), (82, 1999384), (164, 999692), (328, 499846), (656, 249923)]