628231474

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{769}}^1\times {\mathrm{2417}}^1$

素因数の和:3214

約数の個数: 24

約数和(自身を含む): 1022161140

約数和(自身を除く): 393929666

約数列:

[1, 2, 13, 26, 169, 338, 769, 1538, 2417, 4834, 9997, 19994, 31421, 62842, 129961, 259922, 408473, 816946, 1858673, 3717346, 24162749, 48325498, 314115737, 628231474]

約数ペア:

[(1, 628231474), (2, 314115737), (13, 48325498), (26, 24162749), (169, 3717346), (338, 1858673), (769, 816946), (1538, 408473), (2417, 259922), (4834, 129961), (9997, 62842), (19994, 31421)]