1305889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:360

約数の個数: 16

約数和(自身を含む): 1572480

約数和(自身を除く): 266591

約数列:

[1, 13, 17, 19, 221, 247, 311, 323, 4043, 4199, 5287, 5909, 68731, 76817, 100453, 1305889]

約数ペア:

[(1, 1305889), (13, 100453), (17, 76817), (19, 68731), (221, 5909), (247, 5287), (311, 4199), (323, 4043)]