643511297

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{457}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 778673280

約数和(自身を除く): 135161983

約数列:

[1, 11, 13, 43, 143, 229, 457, 473, 559, 2519, 2977, 5027, 5941, 6149, 9847, 19651, 32747, 65351, 104653, 108317, 128011, 216161, 255463, 1151183, 1360489, 1408121, 2810093, 4500079, 14965379, 49500869, 58501027, 643511297]

約数ペア:

[(1, 643511297), (11, 58501027), (13, 49500869), (43, 14965379), (143, 4500079), (229, 2810093), (457, 1408121), (473, 1360489), (559, 1151183), (2519, 255463), (2977, 216161), (5027, 128011), (5941, 108317), (6149, 104653), (9847, 65351), (19651, 32747)]