2199978886

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1989131}}^1$

素因数の和:1989219

約数の個数: 16

約数和(自身を含む): 3819133440

約数和(自身を除く): 1619154554

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 1989131, 3978262, 13923917, 27847834, 157141349, 314282698, 1099989443, 2199978886]

約数ペア:

[(1, 2199978886), (2, 1099989443), (7, 314282698), (14, 157141349), (79, 27847834), (158, 13923917), (553, 3978262), (1106, 1989131)]