279732817

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{439141}}^1$

素因数の和:439168

約数の個数: 12

約数和(自身を含む): 350435316

約数和(自身を除く): 70702499

約数列:

[1, 7, 13, 49, 91, 637, 439141, 3073987, 5708833, 21517909, 39961831, 279732817]

約数ペア:

[(1, 279732817), (7, 39961831), (13, 21517909), (49, 5708833), (91, 3073987), (637, 439141)]