31444259

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21493}}^1$

素因数の和:21530

約数の個数: 16

約数和(自身を含む): 41268480

約数和(自身を除く): 9824221

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21493, 150451, 236423, 408367, 1654961, 2858569, 4492037, 31444259]

約数ペア:

[(1, 31444259), (7, 4492037), (11, 2858569), (19, 1654961), (77, 408367), (133, 236423), (209, 150451), (1463, 21493)]