28507073

素因数分解:

$7^4\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:442

約数の個数: 20

約数和(自身を含む): 34418688

約数和(自身を除く): 5911615

約数列:

[1, 7, 31, 49, 217, 343, 383, 1519, 2401, 2681, 10633, 11873, 18767, 74431, 83111, 131369, 581777, 919583, 4072439, 28507073]

約数ペア:

[(1, 28507073), (7, 4072439), (31, 919583), (49, 581777), (217, 131369), (343, 83111), (383, 74431), (1519, 18767), (2401, 11873), (2681, 10633)]