440674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1029

約数の個数: 16

約数和(自身を含む): 754488

約数和(自身を除く): 313814

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 997, 1994, 12961, 16949, 25922, 33898, 220337, 440674]

約数ペア:

[(1, 440674), (2, 220337), (13, 33898), (17, 25922), (26, 16949), (34, 12961), (221, 1994), (442, 997)]