28199059

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{4327}}^1$

素因数の和:4367

約数の個数: 16

約数和(自身を含む): 34624000

約数和(自身を除く): 6424941

約数列:

[1, 7, 19, 49, 133, 343, 931, 4327, 6517, 30289, 82213, 212023, 575491, 1484161, 4028437, 28199059]

約数ペア:

[(1, 28199059), (7, 4028437), (19, 1484161), (49, 575491), (133, 212023), (343, 82213), (931, 30289), (4327, 6517)]