489515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 671328

約数和(自身を除く): 181813

約数列:

[1, 5, 13, 17, 65, 85, 221, 443, 1105, 2215, 5759, 7531, 28795, 37655, 97903, 489515]

約数ペア:

[(1, 489515), (5, 97903), (13, 37655), (17, 28795), (65, 7531), (85, 5759), (221, 2215), (443, 1105)]