12458705

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20939}}^1$

素因数の和:20968

約数の個数: 16

約数和(自身を含む): 18092160

約数和(自身を除く): 5633455

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 20939, 104695, 146573, 355963, 732865, 1779815, 2491741, 12458705]

約数ペア:

[(1, 12458705), (5, 2491741), (7, 1779815), (17, 732865), (35, 355963), (85, 146573), (119, 104695), (595, 20939)]