28125139

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 34346592

約数和(自身を除く): 6221453

約数列:

[1, 7, 41, 43, 53, 287, 301, 371, 1763, 1849, 2173, 2279, 12341, 12943, 15211, 15953, 75809, 93439, 97997, 530663, 654073, 685979, 4017877, 28125139]

約数ペア:

[(1, 28125139), (7, 4017877), (41, 685979), (43, 654073), (53, 530663), (287, 97997), (301, 93439), (371, 75809), (1763, 15953), (1849, 15211), (2173, 12943), (2279, 12341)]