259289998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{620311}}^1$

素因数の和:620343

約数の個数: 16

約数和(自身を含む): 446624640

約数和(自身を除く): 187334642

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 620311, 1240622, 6823421, 11785909, 13646842, 23571818, 129644999, 259289998]

約数ペア:

[(1, 259289998), (2, 129644999), (11, 23571818), (19, 13646842), (22, 11785909), (38, 6823421), (209, 1240622), (418, 620311)]