28628978

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{6661}}^1$

素因数の和:6977

約数の個数: 16

約数和(自身を含む): 49245504

約数和(自身を除く): 20616526

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 6661, 13322, 46627, 93254, 2044927, 4089854, 14314489, 28628978]

約数ペア:

[(1, 28628978), (2, 14314489), (7, 4089854), (14, 2044927), (307, 93254), (614, 46627), (2149, 13322), (4298, 6661)]