79918009

素因数分解:

${\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 86020480

約数和(自身を除く): 6102471

約数列:

[1, 19, 97, 103, 421, 1843, 1957, 7999, 9991, 40837, 43363, 189829, 775903, 823897, 4206211, 79918009]

約数ペア:

[(1, 79918009), (19, 4206211), (97, 823897), (103, 775903), (421, 189829), (1843, 43363), (1957, 40837), (7999, 9991)]