211314257

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{144439}}^1$

素因数の和:144476

約数の個数: 16

約数和(自身を含む): 277324800

約数和(自身を除く): 66010543

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 144439, 1011073, 1588829, 2744341, 11121803, 19210387, 30187751, 211314257]

約数ペア:

[(1, 211314257), (7, 30187751), (11, 19210387), (19, 11121803), (77, 2744341), (133, 1588829), (209, 1011073), (1463, 144439)]