668205889

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{208099}}^1$

素因数の和:208144

約数の個数: 12

約数和(自身を含む): 761646000

約数和(自身を除く): 93440111

約数列:

[1, 13, 19, 169, 247, 3211, 208099, 2705287, 3953881, 35168731, 51400453, 668205889]

約数ペア:

[(1, 668205889), (13, 51400453), (19, 35168731), (169, 3953881), (247, 2705287), (3211, 208099)]