915002

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 24

約数和(自身を含む): 1596000

約数和(自身を除く): 680998

約数列:

[1, 2, 11, 19, 22, 38, 121, 199, 209, 242, 398, 418, 2189, 2299, 3781, 4378, 4598, 7562, 24079, 41591, 48158, 83182, 457501, 915002]

約数ペア:

[(1, 915002), (2, 457501), (11, 83182), (19, 48158), (22, 41591), (38, 24079), (121, 7562), (199, 4598), (209, 4378), (242, 3781), (398, 2299), (418, 2189)]