2019978191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{610081}}^1$

素因数の和:610142

約数の個数: 16

約数和(自身を含む): 2576986368

約数和(自身を除く): 557008177

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 610081, 4270567, 6710891, 26233483, 46976237, 183634381, 288568313, 2019978191]

約数ペア:

[(1, 2019978191), (7, 288568313), (11, 183634381), (43, 46976237), (77, 26233483), (301, 6710891), (473, 4270567), (3311, 610081)]