990291211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{79433}}^1$

素因数の和:79590

約数の個数: 16

約数和(自身を含む): 1227731904

約数和(自身を除く): 237440693

約数列:

[1, 7, 13, 91, 137, 959, 1781, 12467, 79433, 556031, 1032629, 7228403, 10882321, 76176247, 141470173, 990291211]

約数ペア:

[(1, 990291211), (7, 141470173), (13, 76176247), (91, 10882321), (137, 7228403), (959, 1032629), (1781, 556031), (12467, 79433)]