2009654321

素因数分解:

${\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1\times {\mathrm{1459}}^1$

素因数の和:1916

約数の個数: 16

約数和(自身を含む): 2084459520

約数和(自身を除く): 74805199

約数列:

[1, 43, 103, 311, 1459, 4429, 13373, 32033, 62737, 150277, 453749, 1377419, 6461911, 19511207, 46736147, 2009654321]

約数ペア:

[(1, 2009654321), (43, 46736147), (103, 19511207), (311, 6461911), (1459, 1377419), (4429, 453749), (13373, 150277), (32033, 62737)]