388267774

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{4759}}^1$

素因数の和:4912

約数の個数: 24

約数和(自身を含む): 620237520

約数和(自身を除く): 231969746

約数列:

[1, 2, 19, 38, 113, 226, 361, 722, 2147, 4294, 4759, 9518, 40793, 81586, 90421, 180842, 537767, 1075534, 1717999, 3435998, 10217573, 20435146, 194133887, 388267774]

約数ペア:

[(1, 388267774), (2, 194133887), (19, 20435146), (38, 10217573), (113, 3435998), (226, 1717999), (361, 1075534), (722, 537767), (2147, 180842), (4294, 90421), (4759, 81586), (9518, 40793)]