259738189

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{18701}}^1$

素因数の和:18780

約数の個数: 16

約数和(自身を含む): 296239680

約数和(自身を除く): 36501491

約数列:

[1, 17, 19, 43, 323, 731, 817, 13889, 18701, 317917, 355319, 804143, 6040423, 13670431, 15278717, 259738189]

約数ペア:

[(1, 259738189), (17, 15278717), (19, 13670431), (43, 6040423), (323, 804143), (731, 355319), (817, 317917), (13889, 18701)]