28166656

素因数分解:

$2^9\times 7^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:325

約数の個数: 80

約数和(自身を含む): 66781440

約数和(自身を除く): 38614784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 271, 406, 448, 464, 512, 542, 812, 896, 928, 1084, 1624, 1792, 1856, 1897, 2168, 3248, 3584, 3712, 3794, 4336, 6496, 7424, 7588, 7859, 8672, 12992, 14848, 15176, 15718, 17344, 25984, 30352, 31436, 34688, 51968, 55013, 60704, 62872, 69376, 103936, 110026, 121408, 125744, 138752, 220052, 242816, 251488, 440104, 485632, 502976, 880208, 971264, 1005952, 1760416, 2011904, 3520832, 4023808, 7041664, 14083328, 28166656]

約数ペア:

[(1, 28166656), (2, 14083328), (4, 7041664), (7, 4023808), (8, 3520832), (14, 2011904), (16, 1760416), (28, 1005952), (29, 971264), (32, 880208), (56, 502976), (58, 485632), (64, 440104), (112, 251488), (116, 242816), (128, 220052), (203, 138752), (224, 125744), (232, 121408), (256, 110026), (271, 103936), (406, 69376), (448, 62872), (464, 60704), (512, 55013), (542, 51968), (812, 34688), (896, 31436), (928, 30352), (1084, 25984), (1624, 17344), (1792, 15718), (1856, 15176), (1897, 14848), (2168, 12992), (3248, 8672), (3584, 7859), (3712, 7588), (3794, 7424), (4336, 6496)]