2783291

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 3548160

約数和(自身を除く): 764869

約数列:

[1, 7, 17, 19, 119, 133, 323, 1231, 2261, 8617, 20927, 23389, 146489, 163723, 397613, 2783291]

約数ペア:

[(1, 2783291), (7, 397613), (17, 163723), (19, 146489), (119, 23389), (133, 20927), (323, 8617), (1231, 2261)]