1681357195

素因数分解:

$5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{123493}}^1$

素因数の和:123894

約数の個数: 16

約数和(自身を含む): 2311807680

約数和(自身を除く): 630450485

約数列:

[1, 5, 7, 35, 389, 1945, 2723, 13615, 123493, 617465, 864451, 4322255, 48038777, 240193885, 336271439, 1681357195]

約数ペア:

[(1, 1681357195), (5, 336271439), (7, 240193885), (35, 48038777), (389, 4322255), (1945, 864451), (2723, 617465), (13615, 123493)]