163908260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{190591}}^1$

素因数の和:190643

約数の個数: 24

約数和(自身を含む): 352214016

約数和(自身を除く): 188305756

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 190591, 381182, 762364, 952955, 1905910, 3811820, 8195413, 16390826, 32781652, 40977065, 81954130, 163908260]

約数ペア:

[(1, 163908260), (2, 81954130), (4, 40977065), (5, 32781652), (10, 16390826), (20, 8195413), (43, 3811820), (86, 1905910), (172, 952955), (215, 762364), (430, 381182), (860, 190591)]