25308305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6481}}^1$

素因数の和:6568

約数の個数: 16

約数和(自身を含む): 33602688

約数和(自身を除く): 8294383

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 6481, 32405, 71291, 356455, 460151, 2300755, 5061661, 25308305]

約数ペア:

[(1, 25308305), (5, 5061661), (11, 2300755), (55, 460151), (71, 356455), (355, 71291), (781, 32405), (3905, 6481)]