81579288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3259}}^1$

素因数の和:3424

約数の個数: 64

約数和(自身を含む): 234720000

約数和(自身を除く): 153140712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 149, 168, 298, 447, 596, 894, 1043, 1192, 1788, 2086, 3129, 3259, 3576, 4172, 6258, 6518, 8344, 9777, 12516, 13036, 19554, 22813, 25032, 26072, 39108, 45626, 68439, 78216, 91252, 136878, 182504, 273756, 485591, 547512, 971182, 1456773, 1942364, 2913546, 3399137, 3884728, 5827092, 6798274, 10197411, 11654184, 13596548, 20394822, 27193096, 40789644, 81579288]

約数ペア:

[(1, 81579288), (2, 40789644), (3, 27193096), (4, 20394822), (6, 13596548), (7, 11654184), (8, 10197411), (12, 6798274), (14, 5827092), (21, 3884728), (24, 3399137), (28, 2913546), (42, 1942364), (56, 1456773), (84, 971182), (149, 547512), (168, 485591), (298, 273756), (447, 182504), (596, 136878), (894, 91252), (1043, 78216), (1192, 68439), (1788, 45626), (2086, 39108), (3129, 26072), (3259, 25032), (3576, 22813), (4172, 19554), (6258, 13036), (6518, 12516), (8344, 9777)]