209905358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{474899}}^1$

素因数の和:474931

約数の個数: 16

約数和(自身を含む): 359024400

約数和(自身を除く): 149119042

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 474899, 949798, 6173687, 8073283, 12347374, 16146566, 104952679, 209905358]

約数ペア:

[(1, 209905358), (2, 104952679), (13, 16146566), (17, 12347374), (26, 8073283), (34, 6173687), (221, 949798), (442, 474899)]