2009173859

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{919}}^1\times {\mathrm{28393}}^1$

素因数の和:29330

約数の個数: 16

約数和(自身を含む): 2507758080

約数和(自身を除く): 498584221

約数列:

[1, 7, 11, 77, 919, 6433, 10109, 28393, 70763, 198751, 312323, 2186261, 26093167, 182652169, 287024837, 2009173859]

約数ペア:

[(1, 2009173859), (7, 287024837), (11, 182652169), (77, 26093167), (919, 2186261), (6433, 312323), (10109, 198751), (28393, 70763)]