12290390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{521}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 25406784

約数和(自身を除く): 13116394

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 337, 521, 674, 1042, 1685, 2359, 2605, 3370, 3647, 4718, 5210, 7294, 11795, 18235, 23590, 36470, 175577, 351154, 877885, 1229039, 1755770, 2458078, 6145195, 12290390]

約数ペア:

[(1, 12290390), (2, 6145195), (5, 2458078), (7, 1755770), (10, 1229039), (14, 877885), (35, 351154), (70, 175577), (337, 36470), (521, 23590), (674, 18235), (1042, 11795), (1685, 7294), (2359, 5210), (2605, 4718), (3370, 3647)]