28170233

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{887}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 34809600

約数和(自身を除く): 6639367

約数列:

[1, 7, 13, 91, 349, 887, 2443, 4537, 6209, 11531, 31759, 80717, 309563, 2166941, 4024319, 28170233]

約数ペア:

[(1, 28170233), (7, 4024319), (13, 2166941), (91, 309563), (349, 80717), (887, 31759), (2443, 11531), (4537, 6209)]