28072828

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18917}}^1$

素因数の和:18981

約数の個数: 24

約数和(自身を含む): 57208032

約数和(自身を除く): 29135204

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 18917, 37834, 75668, 132419, 264838, 529676, 1002601, 2005202, 4010404, 7018207, 14036414, 28072828]

約数ペア:

[(1, 28072828), (2, 14036414), (4, 7018207), (7, 4010404), (14, 2005202), (28, 1002601), (53, 529676), (106, 264838), (212, 132419), (371, 75668), (742, 37834), (1484, 18917)]