28840154

素因数分解:

$2^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{7331}}^1$

素因数の和:7621

約数の個数: 16

約数和(自身を含む): 49622976

約数和(自身を除く): 20782822

約数列:

[1, 2, 7, 14, 281, 562, 1967, 3934, 7331, 14662, 51317, 102634, 2060011, 4120022, 14420077, 28840154]

約数ペア:

[(1, 28840154), (2, 14420077), (7, 4120022), (14, 2060011), (281, 102634), (562, 51317), (1967, 14662), (3934, 7331)]