12605278

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20939}}^1$

素因数の和:20991

約数の個数: 16

約数和(自身を含む): 22112640

約数和(自身を除く): 9507362

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 20939, 41878, 146573, 293146, 900377, 1800754, 6302639, 12605278]

約数ペア:

[(1, 12605278), (2, 6302639), (7, 1800754), (14, 900377), (43, 293146), (86, 146573), (301, 41878), (602, 20939)]