408045284924

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{990401177}}^1$

素因数の和:990401284

約数の個数: 12

約数和(自身を含む): 721012057584

約数和(自身を除く): 312966772660

約数列:

[1, 2, 4, 103, 206, 412, 990401177, 1980802354, 3961604708, 102011321231, 204022642462, 408045284924]

約数ペア:

[(1, 408045284924), (2, 204022642462), (4, 102011321231), (103, 3961604708), (206, 1980802354), (412, 990401177)]