643719659436

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1288171}}^1$

素因数の和:1288852

約数の個数: 96

約数和(自身を含む): 1910204495360

約数和(自身を除く): 1266484835924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 661, 756, 1322, 1983, 2644, 3966, 4627, 5949, 7932, 9254, 11898, 13881, 17847, 18508, 23796, 27762, 35694, 41643, 55524, 71388, 83286, 124929, 166572, 249858, 499716, 1288171, 2576342, 3864513, 5152684, 7729026, 9017197, 11593539, 15458052, 18034394, 23187078, 27051591, 34780617, 36068788, 46374156, 54103182, 69561234, 81154773, 108206364, 139122468, 162309546, 243464319, 324619092, 486928638, 851481031, 973857276, 1702962062, 2554443093, 3405924124, 5108886186, 5960367217, 7663329279, 10217772372, 11920734434, 15326658558, 17881101651, 22989987837, 23841468868, 30653317116, 35762203302, 45979975674, 53643304953, 71524406604, 91959951348, 107286609906, 160929914859, 214573219812, 321859829718, 643719659436]

約数ペア:

[(1, 643719659436), (2, 321859829718), (3, 214573219812), (4, 160929914859), (6, 107286609906), (7, 91959951348), (9, 71524406604), (12, 53643304953), (14, 45979975674), (18, 35762203302), (21, 30653317116), (27, 23841468868), (28, 22989987837), (36, 17881101651), (42, 15326658558), (54, 11920734434), (63, 10217772372), (84, 7663329279), (108, 5960367217), (126, 5108886186), (189, 3405924124), (252, 2554443093), (378, 1702962062), (661, 973857276), (756, 851481031), (1322, 486928638), (1983, 324619092), (2644, 243464319), (3966, 162309546), (4627, 139122468), (5949, 108206364), (7932, 81154773), (9254, 69561234), (11898, 54103182), (13881, 46374156), (17847, 36068788), (18508, 34780617), (23796, 27051591), (27762, 23187078), (35694, 18034394), (41643, 15458052), (55524, 11593539), (71388, 9017197), (83286, 7729026), (124929, 5152684), (166572, 3864513), (249858, 2576342), (499716, 1288171)]