213426382

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{20369}}^1$

素因数の和:20428

約数の個数: 24

約数和(自身を含む): 357860160

約数和(自身を除く): 144433778

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 20369, 40738, 264797, 529594, 631439, 1262878, 3442361, 6884722, 8208707, 16417414, 106713191, 213426382]

約数ペア:

[(1, 213426382), (2, 106713191), (13, 16417414), (26, 8208707), (31, 6884722), (62, 3442361), (169, 1262878), (338, 631439), (403, 529594), (806, 264797), (5239, 40738), (10478, 20369)]