1991231471

素因数分解:

${\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1\times {\mathrm{1723}}^1$

素因数の和:2330

約数の個数: 16

約数和(自身を含む): 2127926304

約数和(自身を除く): 136694833

約数列:

[1, 17, 157, 433, 1723, 2669, 7361, 29291, 67981, 270511, 746059, 1155677, 4598687, 12683003, 117131263, 1991231471]

約数ペア:

[(1, 1991231471), (17, 117131263), (157, 12683003), (433, 4598687), (1723, 1155677), (2669, 746059), (7361, 270511), (29291, 67981)]