12990091

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 14636160

約数和(自身を除く): 1646069

約数列:

[1, 17, 19, 131, 307, 323, 2227, 2489, 5219, 5833, 40217, 42313, 99161, 683689, 764123, 12990091]

約数ペア:

[(1, 12990091), (17, 764123), (19, 683689), (131, 99161), (307, 42313), (323, 40217), (2227, 5833), (2489, 5219)]