489692287

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{7057}}^1$

素因数の和:7518

約数の個数: 16

約数和(自身を含む): 585418752

約数和(自身を除く): 95726465

約数列:

[1, 7, 23, 161, 431, 3017, 7057, 9913, 49399, 69391, 162311, 1136177, 3041567, 21290969, 69956041, 489692287]

約数ペア:

[(1, 489692287), (7, 69956041), (23, 21290969), (161, 3041567), (431, 1136177), (3017, 162311), (7057, 69391), (9913, 49399)]