81231023

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 87609600

約数和(自身を除く): 6378577

約数列:

[1, 19, 59, 233, 311, 1121, 4427, 5909, 13747, 18349, 72463, 261193, 348631, 1376797, 4275317, 81231023]

約数ペア:

[(1, 81231023), (19, 4275317), (59, 1376797), (233, 348631), (311, 261193), (1121, 72463), (4427, 18349), (5909, 13747)]