1289321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 16

約数和(自身を含む): 1536000

約数和(自身を除く): 246679

約数列:

[1, 11, 19, 31, 199, 209, 341, 589, 2189, 3781, 6169, 6479, 41591, 67859, 117211, 1289321]

約数ペア:

[(1, 1289321), (11, 117211), (19, 67859), (31, 41591), (199, 6479), (209, 6169), (341, 3781), (589, 2189)]