28209293

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2111}}^1$

素因数の和:2224

約数の個数: 16

約数和(自身を含む): 34062336

約数和(自身を除く): 5853043

約数列:

[1, 7, 23, 83, 161, 581, 1909, 2111, 13363, 14777, 48553, 175213, 339871, 1226491, 4029899, 28209293]

約数ペア:

[(1, 28209293), (7, 4029899), (23, 1226491), (83, 339871), (161, 175213), (581, 48553), (1909, 14777), (2111, 13363)]