91990085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{23557}}^1$

素因数の和:23644

約数の個数: 16

約数和(自身を含む): 122124672

約数和(自身を除く): 30134587

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 23557, 117785, 259127, 1295635, 1672547, 8362735, 18398017, 91990085]

約数ペア:

[(1, 91990085), (5, 18398017), (11, 8362735), (55, 1672547), (71, 1295635), (355, 259127), (781, 117785), (3905, 23557)]