12981265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6379}}^1$

素因数の和:6432

約数の個数: 16

約数和(自身を含む): 17455680

約数和(自身を除く): 4474415

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 6379, 31895, 70169, 236023, 350845, 1180115, 2596253, 12981265]

約数ペア:

[(1, 12981265), (5, 2596253), (11, 1180115), (37, 350845), (55, 236023), (185, 70169), (407, 31895), (2035, 6379)]