65219497

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 80203136

約数和(自身を除く): 14983639

約数列:

[1, 7, 17, 103, 119, 289, 313, 721, 1751, 2023, 2191, 5321, 12257, 29767, 32239, 37247, 90457, 208369, 225673, 548063, 633199, 3836441, 9317071, 65219497]

約数ペア:

[(1, 65219497), (7, 9317071), (17, 3836441), (103, 633199), (119, 548063), (289, 225673), (313, 208369), (721, 90457), (1751, 37247), (2023, 32239), (2191, 29767), (5321, 12257)]