28921211

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2050

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 4774789

約数列:

[1, 11, 19, 71, 209, 781, 1349, 1949, 14839, 21439, 37031, 138379, 407341, 1522169, 2629201, 28921211]

約数ペア:

[(1, 28921211), (11, 2629201), (19, 1522169), (71, 407341), (209, 138379), (781, 37031), (1349, 21439), (1949, 14839)]