1520409215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1153}}^1\times {\mathrm{20287}}^1$

素因数の和:21458

約数の個数: 16

約数和(自身を含む): 1966637568

約数和(自身を除く): 446228353

約数列:

[1, 5, 13, 65, 1153, 5765, 14989, 20287, 74945, 101435, 263731, 1318655, 23390911, 116954555, 304081843, 1520409215]

約数ペア:

[(1, 1520409215), (5, 304081843), (13, 116954555), (65, 23390911), (1153, 1318655), (5765, 263731), (14989, 101435), (20287, 74945)]