990383931971

素因数分解:

$7^2\times {\mathrm{109}}^1\times {\mathrm{185430431}}^1$

素因数の和:185430554

約数の個数: 12

約数和(自身を含む): 1162648808640

約数和(自身を除く): 172264876669

約数列:

[1, 7, 49, 109, 763, 5341, 185430431, 1298013017, 9086091119, 20211916979, 141483418853, 990383931971]

約数ペア:

[(1, 990383931971), (7, 141483418853), (49, 20211916979), (109, 9086091119), (763, 1298013017), (5341, 185430431)]