77731472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 186988032

約数和(自身を除く): 109256560

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 197, 208, 271, 364, 394, 542, 728, 788, 1084, 1379, 1456, 1576, 1897, 2168, 2561, 2758, 3152, 3523, 3794, 4336, 5122, 5516, 7046, 7588, 10244, 11032, 14092, 15176, 17927, 20488, 22064, 24661, 28184, 30352, 35854, 40976, 49322, 53387, 56368, 71708, 98644, 106774, 143416, 197288, 213548, 286832, 373709, 394576, 427096, 694031, 747418, 854192, 1388062, 1494836, 2776124, 2989672, 4858217, 5552248, 5979344, 9716434, 11104496, 19432868, 38865736, 77731472]

約数ペア:

[(1, 77731472), (2, 38865736), (4, 19432868), (7, 11104496), (8, 9716434), (13, 5979344), (14, 5552248), (16, 4858217), (26, 2989672), (28, 2776124), (52, 1494836), (56, 1388062), (91, 854192), (104, 747418), (112, 694031), (182, 427096), (197, 394576), (208, 373709), (271, 286832), (364, 213548), (394, 197288), (542, 143416), (728, 106774), (788, 98644), (1084, 71708), (1379, 56368), (1456, 53387), (1576, 49322), (1897, 40976), (2168, 35854), (2561, 30352), (2758, 28184), (3152, 24661), (3523, 22064), (3794, 20488), (4336, 17927), (5122, 15176), (5516, 14092), (7046, 11032), (7588, 10244)]