27981016

素因数分解:

$2^3\times 7^1\times {\mathrm{499661}}^1$

素因数の和:499674

約数の個数: 16

約数和(自身を含む): 59959440

約数和(自身を除く): 31978424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 499661, 999322, 1998644, 3497627, 3997288, 6995254, 13990508, 27981016]

約数ペア:

[(1, 27981016), (2, 13990508), (4, 6995254), (7, 3997288), (8, 3497627), (14, 1998644), (28, 999322), (56, 499661)]