68666485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{18787}}^1$

素因数の和:18852

約数の個数: 16

約数和(自身を含む): 89280576

約数和(自身を除く): 20614091

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 18787, 93935, 319379, 807841, 1596895, 4039205, 13733297, 68666485]

約数ペア:

[(1, 68666485), (5, 13733297), (17, 4039205), (43, 1596895), (85, 807841), (215, 319379), (731, 93935), (3655, 18787)]