211399782

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{74489}}^1$

素因数の和:74548

約数の個数: 32

約数和(自身を含む): 471968640

約数和(自身を除く): 260568858

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 74489, 148978, 223467, 446934, 819379, 1638758, 2458137, 3203027, 4916274, 6406054, 9609081, 19218162, 35233297, 70466594, 105699891, 211399782]

約数ペア:

[(1, 211399782), (2, 105699891), (3, 70466594), (6, 35233297), (11, 19218162), (22, 9609081), (33, 6406054), (43, 4916274), (66, 3203027), (86, 2458137), (129, 1638758), (258, 819379), (473, 446934), (946, 223467), (1419, 148978), (2838, 74489)]