81724357

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 100590336

約数和(自身を除く): 18865979

約数列:

[1, 11, 13, 41, 53, 143, 263, 451, 533, 583, 689, 2173, 2893, 3419, 5863, 7579, 10783, 13939, 23903, 28249, 37609, 118613, 140179, 153329, 181207, 310739, 571499, 1541969, 1993277, 6286489, 7429487, 81724357]

約数ペア:

[(1, 81724357), (11, 7429487), (13, 6286489), (41, 1993277), (53, 1541969), (143, 571499), (263, 310739), (451, 181207), (533, 153329), (583, 140179), (689, 118613), (2173, 37609), (2893, 28249), (3419, 23903), (5863, 13939), (7579, 10783)]