12977588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2423}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 24705408

約数和(自身を除く): 11727820

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2423, 2678, 4846, 5356, 9692, 31499, 62998, 125996, 249569, 499138, 998276, 3244397, 6488794, 12977588]

約数ペア:

[(1, 12977588), (2, 6488794), (4, 3244397), (13, 998276), (26, 499138), (52, 249569), (103, 125996), (206, 62998), (412, 31499), (1339, 9692), (2423, 5356), (2678, 4846)]