398601218

素因数分解:

$2^1\times {\mathrm{401}}^1\times {\mathrm{701}}^1\times {\mathrm{709}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 601094520

約数和(自身を除く): 202493302

約数列:

[1, 2, 401, 701, 709, 802, 1402, 1418, 281101, 284309, 497009, 562202, 568618, 994018, 199300609, 398601218]

約数ペア:

[(1, 398601218), (2, 199300609), (401, 994018), (701, 568618), (709, 562202), (802, 497009), (1402, 284309), (1418, 281101)]