28211495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6113}}^1$

素因数の和:6202

約数の個数: 16

約数和(自身を含む): 36977472

約数和(自身を除く): 8765977

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 6113, 30565, 79469, 397345, 434023, 2170115, 5642299, 28211495]

約数ペア:

[(1, 28211495), (5, 5642299), (13, 2170115), (65, 434023), (71, 397345), (355, 79469), (923, 30565), (4615, 6113)]