397620854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{85363}}^1$

素因数の和:85519

約数の個数: 16

約数和(自身を含む): 636132528

約数和(自身を除く): 238511674

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4658, 85363, 170726, 1451171, 2902342, 11694731, 23389462, 198810427, 397620854]

約数ペア:

[(1, 397620854), (2, 198810427), (17, 23389462), (34, 11694731), (137, 2902342), (274, 1451171), (2329, 170726), (4658, 85363)]