2540188

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 5114592

約数和(自身を除く): 2574404

約数列:

[1, 2, 4, 7, 14, 28, 257, 353, 514, 706, 1028, 1412, 1799, 2471, 3598, 4942, 7196, 9884, 90721, 181442, 362884, 635047, 1270094, 2540188]

約数ペア:

[(1, 2540188), (2, 1270094), (4, 635047), (7, 362884), (14, 181442), (28, 90721), (257, 9884), (353, 7196), (514, 4942), (706, 3598), (1028, 2471), (1412, 1799)]