9990310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90821}}^1$

素因数の和:90839

約数の個数: 16

約数和(自身を含む): 19617552

約数和(自身を除く): 9627242

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 90821, 181642, 454105, 908210, 999031, 1998062, 4995155, 9990310]

約数ペア:

[(1, 9990310), (2, 4995155), (5, 1998062), (10, 999031), (11, 908210), (22, 454105), (55, 181642), (110, 90821)]