210828541

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2719}}^1$

素因数の和:2809

約数の個数: 32

約数和(自身を含む): 282009600

約数和(自身を除く): 71181059

約数列:

[1, 7, 11, 19, 53, 77, 133, 209, 371, 583, 1007, 1463, 2719, 4081, 7049, 11077, 19033, 29909, 51661, 77539, 144107, 209363, 361627, 568271, 1008749, 1585177, 2738033, 3977897, 11096239, 19166231, 30118363, 210828541]

約数ペア:

[(1, 210828541), (7, 30118363), (11, 19166231), (19, 11096239), (53, 3977897), (77, 2738033), (133, 1585177), (209, 1008749), (371, 568271), (583, 361627), (1007, 209363), (1463, 144107), (2719, 77539), (4081, 51661), (7049, 29909), (11077, 19033)]