2651089

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 16

約数和(自身を含む): 3297280

約数和(自身を除く): 646191

約数列:

[1, 7, 19, 31, 133, 217, 589, 643, 4123, 4501, 12217, 19933, 85519, 139531, 378727, 2651089]

約数ペア:

[(1, 2651089), (7, 378727), (19, 139531), (31, 85519), (133, 19933), (217, 12217), (589, 4501), (643, 4123)]