3980398

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:411

約数の個数: 16

約数和(自身を含む): 6127200

約数和(自身を除く): 2146802

約数列:

[1, 2, 73, 137, 146, 199, 274, 398, 10001, 14527, 20002, 27263, 29054, 54526, 1990199, 3980398]

約数ペア:

[(1, 3980398), (2, 1990199), (73, 54526), (137, 29054), (146, 27263), (199, 20002), (274, 14527), (398, 10001)]