209855854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{474787}}^1$

素因数の和:474819

約数の個数: 16

約数和(自身を含む): 358939728

約数和(自身を除く): 149083874

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 474787, 949574, 6172231, 8071379, 12344462, 16142758, 104927927, 209855854]

約数ペア:

[(1, 209855854), (2, 104927927), (13, 16142758), (17, 12344462), (26, 8071379), (34, 6172231), (221, 949574), (442, 474787)]