28752871

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4079}}^1$

素因数の和:4158

約数の個数: 16

約数和(自身を含む): 35251200

約数和(自身を除く): 6498329

約数列:

[1, 7, 19, 53, 133, 371, 1007, 4079, 7049, 28553, 77501, 216187, 542507, 1513309, 4107553, 28752871]

約数ペア:

[(1, 28752871), (7, 4107553), (19, 1513309), (53, 542507), (133, 216187), (371, 77501), (1007, 28553), (4079, 7049)]