258781919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{3449}}^1$

素因数の和:3838

約数の個数: 16

約数和(自身を含む): 298080000

約数和(自身を除く): 39298081

約数列:

[1, 11, 19, 209, 359, 3449, 3949, 6821, 37939, 65531, 75031, 720841, 1238191, 13620101, 23525629, 258781919]

約数ペア:

[(1, 258781919), (11, 23525629), (19, 13620101), (209, 1238191), (359, 720841), (3449, 75031), (3949, 65531), (6821, 37939)]