218630216

素因数分解:

$2^3\times 7^1\times {\mathrm{3904111}}^1$

素因数の和:3904124

約数の個数: 16

約数和(自身を含む): 468493440

約数和(自身を除く): 249863224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3904111, 7808222, 15616444, 27328777, 31232888, 54657554, 109315108, 218630216]

約数ペア:

[(1, 218630216), (2, 109315108), (4, 54657554), (7, 31232888), (8, 27328777), (14, 15616444), (28, 7808222), (56, 3904111)]