26294879

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 18

約数和(自身を含む): 30120336

約数和(自身を除く): 3825457

約数列:

[1, 13, 19, 169, 247, 361, 431, 3211, 4693, 5603, 8189, 61009, 72839, 106457, 155591, 1383941, 2022683, 26294879]

約数ペア:

[(1, 26294879), (13, 2022683), (19, 1383941), (169, 155591), (247, 106457), (361, 72839), (431, 61009), (3211, 8189), (4693, 5603)]