991185984

素因数分解:

$2^6\times 3^4\times {\mathrm{263}}^1\times {\mathrm{727}}^1$

素因数の和:1014

約数の個数: 140

約数和(自身を含む): 2953414464

約数和(自身を除く): 1962228480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 263, 288, 324, 432, 526, 576, 648, 727, 789, 864, 1052, 1296, 1454, 1578, 1728, 2104, 2181, 2367, 2592, 2908, 3156, 4208, 4362, 4734, 5184, 5816, 6312, 6543, 7101, 8416, 8724, 9468, 11632, 12624, 13086, 14202, 16832, 17448, 18936, 19629, 21303, 23264, 25248, 26172, 28404, 34896, 37872, 39258, 42606, 46528, 50496, 52344, 56808, 58887, 69792, 75744, 78516, 85212, 104688, 113616, 117774, 139584, 151488, 157032, 170424, 191201, 209376, 227232, 235548, 314064, 340848, 382402, 418752, 454464, 471096, 573603, 628128, 681696, 764804, 942192, 1147206, 1256256, 1363392, 1529608, 1720809, 1884384, 2294412, 3059216, 3441618, 3768768, 4588824, 5162427, 6118432, 6883236, 9177648, 10324854, 12236864, 13766472, 15487281, 18355296, 20649708, 27532944, 30974562, 36710592, 41299416, 55065888, 61949124, 82598832, 110131776, 123898248, 165197664, 247796496, 330395328, 495592992, 991185984]

約数ペア:

[(1, 991185984), (2, 495592992), (3, 330395328), (4, 247796496), (6, 165197664), (8, 123898248), (9, 110131776), (12, 82598832), (16, 61949124), (18, 55065888), (24, 41299416), (27, 36710592), (32, 30974562), (36, 27532944), (48, 20649708), (54, 18355296), (64, 15487281), (72, 13766472), (81, 12236864), (96, 10324854), (108, 9177648), (144, 6883236), (162, 6118432), (192, 5162427), (216, 4588824), (263, 3768768), (288, 3441618), (324, 3059216), (432, 2294412), (526, 1884384), (576, 1720809), (648, 1529608), (727, 1363392), (789, 1256256), (864, 1147206), (1052, 942192), (1296, 764804), (1454, 681696), (1578, 628128), (1728, 573603), (2104, 471096), (2181, 454464), (2367, 418752), (2592, 382402), (2908, 340848), (3156, 314064), (4208, 235548), (4362, 227232), (4734, 209376), (5184, 191201), (5816, 170424), (6312, 157032), (6543, 151488), (7101, 139584), (8416, 117774), (8724, 113616), (9468, 104688), (11632, 85212), (12624, 78516), (13086, 75744), (14202, 69792), (16832, 58887), (17448, 56808), (18936, 52344), (19629, 50496), (21303, 46528), (23264, 42606), (25248, 39258), (26172, 37872), (28404, 34896)]