206721508

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{180071}}^1$

素因数の和:180123

約数の個数: 24

約数和(自身を含む): 423529344

約数和(自身を除く): 216807836

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 180071, 360142, 720284, 1260497, 2520994, 5041988, 7382911, 14765822, 29531644, 51680377, 103360754, 206721508]

約数ペア:

[(1, 206721508), (2, 103360754), (4, 51680377), (7, 29531644), (14, 14765822), (28, 7382911), (41, 5041988), (82, 2520994), (164, 1260497), (287, 720284), (574, 360142), (1148, 180071)]