28763904

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 85619072

約数和(自身を除く): 56855168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 64, 67, 78, 86, 96, 104, 128, 129, 134, 156, 172, 192, 201, 208, 256, 258, 268, 312, 344, 384, 402, 416, 516, 536, 559, 624, 688, 768, 804, 832, 871, 1032, 1072, 1118, 1248, 1376, 1608, 1664, 1677, 1742, 2064, 2144, 2236, 2496, 2613, 2752, 2881, 3216, 3328, 3354, 3484, 4128, 4288, 4472, 4992, 5226, 5504, 5762, 6432, 6708, 6968, 8256, 8576, 8643, 8944, 9984, 10452, 11008, 11524, 12864, 13416, 13936, 16512, 17152, 17286, 17888, 20904, 23048, 25728, 26832, 27872, 33024, 34572, 35776, 37453, 41808, 46096, 51456, 53664, 55744, 69144, 71552, 74906, 83616, 92192, 107328, 111488, 112359, 138288, 143104, 149812, 167232, 184384, 214656, 222976, 224718, 276576, 299624, 334464, 368768, 429312, 449436, 553152, 599248, 668928, 737536, 898872, 1106304, 1198496, 1797744, 2212608, 2396992, 3595488, 4793984, 7190976, 9587968, 14381952, 28763904]

約数ペア:

[(1, 28763904), (2, 14381952), (3, 9587968), (4, 7190976), (6, 4793984), (8, 3595488), (12, 2396992), (13, 2212608), (16, 1797744), (24, 1198496), (26, 1106304), (32, 898872), (39, 737536), (43, 668928), (48, 599248), (52, 553152), (64, 449436), (67, 429312), (78, 368768), (86, 334464), (96, 299624), (104, 276576), (128, 224718), (129, 222976), (134, 214656), (156, 184384), (172, 167232), (192, 149812), (201, 143104), (208, 138288), (256, 112359), (258, 111488), (268, 107328), (312, 92192), (344, 83616), (384, 74906), (402, 71552), (416, 69144), (516, 55744), (536, 53664), (559, 51456), (624, 46096), (688, 41808), (768, 37453), (804, 35776), (832, 34572), (871, 33024), (1032, 27872), (1072, 26832), (1118, 25728), (1248, 23048), (1376, 20904), (1608, 17888), (1664, 17286), (1677, 17152), (1742, 16512), (2064, 13936), (2144, 13416), (2236, 12864), (2496, 11524), (2613, 11008), (2752, 10452), (2881, 9984), (3216, 8944), (3328, 8643), (3354, 8576), (3484, 8256), (4128, 6968), (4288, 6708), (4472, 6432), (4992, 5762), (5226, 5504)]