6640678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1999}}^1$

素因数の和:2163

約数の個数: 16

約数和(自身を含む): 10944000

約数和(自身を除く): 4303322

約数列:

[1, 2, 11, 22, 151, 302, 1661, 1999, 3322, 3998, 21989, 43978, 301849, 603698, 3320339, 6640678]

約数ペア:

[(1, 6640678), (2, 3320339), (11, 603698), (22, 301849), (151, 43978), (302, 21989), (1661, 3998), (1999, 3322)]