28858921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1033}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 35668864

約数和(自身を除く): 6809943

約数列:

[1, 7, 13, 91, 307, 1033, 2149, 3991, 7231, 13429, 27937, 94003, 317131, 2219917, 4122703, 28858921]

約数ペア:

[(1, 28858921), (7, 4122703), (13, 2219917), (91, 317131), (307, 94003), (1033, 27937), (2149, 13429), (3991, 7231)]