289841279

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 386201088

約数和(自身を除く): 96359809

約数列:

[1, 7, 13, 17, 91, 103, 107, 119, 221, 289, 721, 749, 1339, 1391, 1547, 1751, 1819, 2023, 3757, 9373, 9737, 11021, 12257, 12733, 22763, 23647, 26299, 29767, 30923, 77147, 143273, 159341, 165529, 187357, 208369, 216461, 386971, 401999, 1002911, 1311499, 2435641, 2708797, 2813993, 3185069, 17049487, 22295483, 41405897, 289841279]

約数ペア:

[(1, 289841279), (7, 41405897), (13, 22295483), (17, 17049487), (91, 3185069), (103, 2813993), (107, 2708797), (119, 2435641), (221, 1311499), (289, 1002911), (721, 401999), (749, 386971), (1339, 216461), (1391, 208369), (1547, 187357), (1751, 165529), (1819, 159341), (2023, 143273), (3757, 77147), (9373, 30923), (9737, 29767), (11021, 26299), (12257, 23647), (12733, 22763)]