215185416

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{208513}}^1$

素因数の和:208565

約数の個数: 32

約数和(自身を含む): 550476960

約数和(自身を除く): 335291544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 208513, 417026, 625539, 834052, 1251078, 1668104, 2502156, 5004312, 8966059, 17932118, 26898177, 35864236, 53796354, 71728472, 107592708, 215185416]

約数ペア:

[(1, 215185416), (2, 107592708), (3, 71728472), (4, 53796354), (6, 35864236), (8, 26898177), (12, 17932118), (24, 8966059), (43, 5004312), (86, 2502156), (129, 1668104), (172, 1251078), (258, 834052), (344, 625539), (516, 417026), (1032, 208513)]