128648518

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{3947}}^1$

素因数の和:4371

約数の個数: 16

約数和(自身を含む): 198031680

約数和(自身を除く): 69383162

約数列:

[1, 2, 43, 86, 379, 758, 3947, 7894, 16297, 32594, 169721, 339442, 1495913, 2991826, 64324259, 128648518]

約数ペア:

[(1, 128648518), (2, 64324259), (43, 2991826), (86, 1495913), (379, 339442), (758, 169721), (3947, 32594), (7894, 16297)]