12981485

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 17556000

約数和(自身を除く): 4574515

約数列:

[1, 5, 11, 43, 55, 121, 215, 473, 499, 605, 2365, 2495, 5203, 5489, 21457, 26015, 27445, 60379, 107285, 236027, 301895, 1180135, 2596297, 12981485]

約数ペア:

[(1, 12981485), (5, 2596297), (11, 1180135), (43, 301895), (55, 236027), (121, 107285), (215, 60379), (473, 27445), (499, 26015), (605, 21457), (2365, 5489), (2495, 5203)]