13857404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{28631}}^1$

素因数の和:28657

約数の個数: 18

約数和(自身を含む): 26656392

約数和(自身を除く): 12798988

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 28631, 57262, 114524, 314941, 629882, 1259764, 3464351, 6928702, 13857404]

約数ペア:

[(1, 13857404), (2, 6928702), (4, 3464351), (11, 1259764), (22, 629882), (44, 314941), (121, 114524), (242, 57262), (484, 28631)]