256212

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 707616

約数和(自身を除く): 451404

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 647, 1294, 1941, 2588, 3882, 5823, 7117, 7764, 11646, 14234, 21351, 23292, 28468, 42702, 64053, 85404, 128106, 256212]

約数ペア:

[(1, 256212), (2, 128106), (3, 85404), (4, 64053), (6, 42702), (9, 28468), (11, 23292), (12, 21351), (18, 14234), (22, 11646), (33, 7764), (36, 7117), (44, 5823), (66, 3882), (99, 2588), (132, 1941), (198, 1294), (396, 647)]