10518781

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:378

約数の個数: 20

約数和(自身を含む): 13254332

約数和(自身を除く): 2735551

約数列:

[1, 7, 13, 49, 91, 337, 343, 637, 2359, 2401, 4381, 4459, 16513, 30667, 31213, 115591, 214669, 809137, 1502683, 10518781]

約数ペア:

[(1, 10518781), (7, 1502683), (13, 809137), (49, 214669), (91, 115591), (337, 31213), (343, 30667), (637, 16513), (2359, 4459), (2401, 4381)]