256346714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{23531}}^1$

素因数の和:23965

約数の個数: 16

約数和(自身を含む): 415104480

約数和(自身を除く): 158757766

約数列:

[1, 2, 13, 26, 419, 838, 5447, 10894, 23531, 47062, 305903, 611806, 9859489, 19718978, 128173357, 256346714]

約数ペア:

[(1, 256346714), (2, 128173357), (13, 19718978), (26, 9859489), (419, 611806), (838, 305903), (5447, 47062), (10894, 23531)]