72712871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21961}}^1$

素因数の和:22022

約数の個数: 16

約数和(自身を含む): 92767488

約数和(自身を除く): 20054617

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 21961, 153727, 241571, 944323, 1690997, 6610261, 10387553, 72712871]

約数ペア:

[(1, 72712871), (7, 10387553), (11, 6610261), (43, 1690997), (77, 944323), (301, 241571), (473, 153727), (3311, 21961)]