12857984

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 28641600

約数和(自身を除く): 15783616

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 272, 304, 311, 323, 544, 608, 622, 646, 1088, 1216, 1244, 1292, 2176, 2432, 2488, 2584, 4976, 5168, 5287, 5909, 9952, 10336, 10574, 11818, 19904, 20672, 21148, 23636, 39808, 41344, 42296, 47272, 84592, 94544, 100453, 169184, 189088, 200906, 338368, 378176, 401812, 676736, 756352, 803624, 1607248, 3214496, 6428992, 12857984]

約数ペア:

[(1, 12857984), (2, 6428992), (4, 3214496), (8, 1607248), (16, 803624), (17, 756352), (19, 676736), (32, 401812), (34, 378176), (38, 338368), (64, 200906), (68, 189088), (76, 169184), (128, 100453), (136, 94544), (152, 84592), (272, 47272), (304, 42296), (311, 41344), (323, 39808), (544, 23636), (608, 21148), (622, 20672), (646, 19904), (1088, 11818), (1216, 10574), (1244, 10336), (1292, 9952), (2176, 5909), (2432, 5287), (2488, 5168), (2584, 4976)]