16566347

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 21219840

約数和(自身を除く): 4653493

約数列:

[1, 7, 17, 19, 119, 133, 289, 323, 431, 2023, 2261, 3017, 5491, 7327, 8189, 38437, 51289, 57323, 124559, 139213, 871913, 974491, 2366621, 16566347]

約数ペア:

[(1, 16566347), (7, 2366621), (17, 974491), (19, 871913), (119, 139213), (133, 124559), (289, 57323), (323, 51289), (431, 38437), (2023, 8189), (2261, 7327), (3017, 5491)]