28691208

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 192

約数和(自身を含む): 99590400

約数和(自身を除く): 70899192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 29, 36, 39, 42, 52, 56, 58, 63, 72, 78, 84, 87, 91, 104, 116, 117, 126, 151, 156, 168, 174, 182, 203, 232, 234, 252, 261, 273, 302, 312, 348, 364, 377, 406, 453, 468, 504, 522, 546, 604, 609, 696, 728, 754, 812, 819, 906, 936, 1044, 1057, 1092, 1131, 1208, 1218, 1359, 1508, 1624, 1638, 1812, 1827, 1963, 2088, 2114, 2184, 2262, 2436, 2639, 2718, 3016, 3171, 3276, 3393, 3624, 3654, 3926, 4228, 4379, 4524, 4872, 5278, 5436, 5889, 6342, 6552, 6786, 7308, 7852, 7917, 8456, 8758, 9048, 9513, 10556, 10872, 11778, 12684, 13137, 13572, 13741, 14616, 15704, 15834, 17516, 17667, 19026, 21112, 23556, 23751, 25368, 26274, 27144, 27482, 30653, 31668, 35032, 35334, 38052, 39411, 41223, 47112, 47502, 52548, 54964, 56927, 61306, 63336, 70668, 76104, 78822, 82446, 91959, 95004, 105096, 109928, 113854, 122612, 123669, 141336, 157644, 164892, 170781, 183918, 190008, 227708, 245224, 247338, 275877, 315288, 329784, 341562, 367836, 398489, 455416, 494676, 512343, 551754, 683124, 735672, 796978, 989352, 1024686, 1103508, 1195467, 1366248, 1593956, 2049372, 2207016, 2390934, 3187912, 3586401, 4098744, 4781868, 7172802, 9563736, 14345604, 28691208]

約数ペア:

[(1, 28691208), (2, 14345604), (3, 9563736), (4, 7172802), (6, 4781868), (7, 4098744), (8, 3586401), (9, 3187912), (12, 2390934), (13, 2207016), (14, 2049372), (18, 1593956), (21, 1366248), (24, 1195467), (26, 1103508), (28, 1024686), (29, 989352), (36, 796978), (39, 735672), (42, 683124), (52, 551754), (56, 512343), (58, 494676), (63, 455416), (72, 398489), (78, 367836), (84, 341562), (87, 329784), (91, 315288), (104, 275877), (116, 247338), (117, 245224), (126, 227708), (151, 190008), (156, 183918), (168, 170781), (174, 164892), (182, 157644), (203, 141336), (232, 123669), (234, 122612), (252, 113854), (261, 109928), (273, 105096), (302, 95004), (312, 91959), (348, 82446), (364, 78822), (377, 76104), (406, 70668), (453, 63336), (468, 61306), (504, 56927), (522, 54964), (546, 52548), (604, 47502), (609, 47112), (696, 41223), (728, 39411), (754, 38052), (812, 35334), (819, 35032), (906, 31668), (936, 30653), (1044, 27482), (1057, 27144), (1092, 26274), (1131, 25368), (1208, 23751), (1218, 23556), (1359, 21112), (1508, 19026), (1624, 17667), (1638, 17516), (1812, 15834), (1827, 15704), (1963, 14616), (2088, 13741), (2114, 13572), (2184, 13137), (2262, 12684), (2436, 11778), (2639, 10872), (2718, 10556), (3016, 9513), (3171, 9048), (3276, 8758), (3393, 8456), (3624, 7917), (3654, 7852), (3926, 7308), (4228, 6786), (4379, 6552), (4524, 6342), (4872, 5889), (5278, 5436)]