85406255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21871}}^1$

素因数の和:21958

約数の個数: 16

約数和(自身を含む): 113384448

約数和(自身を除く): 27978193

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 21871, 109355, 240581, 1202905, 1552841, 7764205, 17081251, 85406255]

約数ペア:

[(1, 85406255), (5, 17081251), (11, 7764205), (55, 1552841), (71, 1202905), (355, 240581), (781, 109355), (3905, 21871)]