12989305

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2833}}^1$

素因数の和:2976

約数の個数: 16

約数和(自身を含む): 17956224

約数和(自身を除く): 4966919

約数列:

[1, 5, 7, 35, 131, 655, 917, 2833, 4585, 14165, 19831, 99155, 371123, 1855615, 2597861, 12989305]

約数ペア:

[(1, 12989305), (5, 2597861), (7, 1855615), (35, 371123), (131, 99155), (655, 19831), (917, 14165), (2833, 4585)]