128528778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{3060209}}^1$

素因数の和:3060221

約数の個数: 16

約数和(自身を含む): 293780160

約数和(自身を除く): 165251382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 3060209, 6120418, 9180627, 18361254, 21421463, 42842926, 64264389, 128528778]

約数ペア:

[(1, 128528778), (2, 64264389), (3, 42842926), (6, 21421463), (7, 18361254), (14, 9180627), (21, 6120418), (42, 3060209)]