81041536

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 173808000

約数和(自身を除く): 92766464

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 188, 304, 376, 608, 709, 752, 893, 1216, 1418, 1504, 1786, 2432, 2836, 3008, 3572, 5672, 6016, 7144, 11344, 13471, 14288, 22688, 26942, 28576, 33323, 45376, 53884, 57152, 66646, 90752, 107768, 114304, 133292, 215536, 266584, 431072, 533168, 633137, 862144, 1066336, 1266274, 1724288, 2132672, 2532548, 4265344, 5065096, 10130192, 20260384, 40520768, 81041536]

約数ペア:

[(1, 81041536), (2, 40520768), (4, 20260384), (8, 10130192), (16, 5065096), (19, 4265344), (32, 2532548), (38, 2132672), (47, 1724288), (64, 1266274), (76, 1066336), (94, 862144), (128, 633137), (152, 533168), (188, 431072), (304, 266584), (376, 215536), (608, 133292), (709, 114304), (752, 107768), (893, 90752), (1216, 66646), (1418, 57152), (1504, 53884), (1786, 45376), (2432, 33323), (2836, 28576), (3008, 26942), (3572, 22688), (5672, 14288), (6016, 13471), (7144, 11344)]