2009558105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{31699}}^1$

素因数の和:32144

約数の個数: 16

約数和(自身を含む): 2495424000

約数和(自身を除く): 485865895

約数列:

[1, 5, 31, 155, 409, 2045, 12679, 31699, 63395, 158495, 982669, 4913345, 12964891, 64824455, 401911621, 2009558105]

約数ペア:

[(1, 2009558105), (5, 401911621), (31, 64824455), (155, 12964891), (409, 4913345), (2045, 982669), (12679, 158495), (31699, 63395)]