28814128

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 67741696

約数和(自身を除く): 38927568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 43, 56, 62, 86, 112, 124, 172, 193, 217, 248, 301, 344, 386, 434, 496, 602, 688, 772, 868, 1204, 1333, 1351, 1544, 1736, 2408, 2666, 2702, 3088, 3472, 4816, 5332, 5404, 5983, 8299, 9331, 10664, 10808, 11966, 16598, 18662, 21328, 21616, 23932, 33196, 37324, 41881, 47864, 58093, 66392, 74648, 83762, 95728, 116186, 132784, 149296, 167524, 232372, 257269, 335048, 464744, 514538, 670096, 929488, 1029076, 1800883, 2058152, 3601766, 4116304, 7203532, 14407064, 28814128]

約数ペア:

[(1, 28814128), (2, 14407064), (4, 7203532), (7, 4116304), (8, 3601766), (14, 2058152), (16, 1800883), (28, 1029076), (31, 929488), (43, 670096), (56, 514538), (62, 464744), (86, 335048), (112, 257269), (124, 232372), (172, 167524), (193, 149296), (217, 132784), (248, 116186), (301, 95728), (344, 83762), (386, 74648), (434, 66392), (496, 58093), (602, 47864), (688, 41881), (772, 37324), (868, 33196), (1204, 23932), (1333, 21616), (1351, 21328), (1544, 18662), (1736, 16598), (2408, 11966), (2666, 10808), (2702, 10664), (3088, 9331), (3472, 8299), (4816, 5983), (5332, 5404)]