28277263

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{4339}}^1$

素因数の和:4379

約数の個数: 16

約数和(自身を含む): 34720000

約数和(自身を除く): 6442737

約数列:

[1, 7, 19, 49, 133, 343, 931, 4339, 6517, 30373, 82441, 212611, 577087, 1488277, 4039609, 28277263]

約数ペア:

[(1, 28277263), (7, 4039609), (19, 1488277), (49, 577087), (133, 212611), (343, 82441), (931, 30373), (4339, 6517)]