28342656

素因数分解:

$2^7\times 3^3\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 85680000

約数和(自身を除く): 57337344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 59, 64, 72, 96, 108, 118, 128, 139, 144, 177, 192, 216, 236, 278, 288, 354, 384, 417, 432, 472, 531, 556, 576, 708, 834, 864, 944, 1062, 1112, 1152, 1251, 1416, 1593, 1668, 1728, 1888, 2124, 2224, 2502, 2832, 3186, 3336, 3456, 3753, 3776, 4248, 4448, 5004, 5664, 6372, 6672, 7506, 7552, 8201, 8496, 8896, 10008, 11328, 12744, 13344, 15012, 16402, 16992, 17792, 20016, 22656, 24603, 25488, 26688, 30024, 32804, 33984, 40032, 49206, 50976, 53376, 60048, 65608, 67968, 73809, 80064, 98412, 101952, 120096, 131216, 147618, 160128, 196824, 203904, 221427, 240192, 262432, 295236, 393648, 442854, 480384, 524864, 590472, 787296, 885708, 1049728, 1180944, 1574592, 1771416, 2361888, 3149184, 3542832, 4723776, 7085664, 9447552, 14171328, 28342656]

約数ペア:

[(1, 28342656), (2, 14171328), (3, 9447552), (4, 7085664), (6, 4723776), (8, 3542832), (9, 3149184), (12, 2361888), (16, 1771416), (18, 1574592), (24, 1180944), (27, 1049728), (32, 885708), (36, 787296), (48, 590472), (54, 524864), (59, 480384), (64, 442854), (72, 393648), (96, 295236), (108, 262432), (118, 240192), (128, 221427), (139, 203904), (144, 196824), (177, 160128), (192, 147618), (216, 131216), (236, 120096), (278, 101952), (288, 98412), (354, 80064), (384, 73809), (417, 67968), (432, 65608), (472, 60048), (531, 53376), (556, 50976), (576, 49206), (708, 40032), (834, 33984), (864, 32804), (944, 30024), (1062, 26688), (1112, 25488), (1152, 24603), (1251, 22656), (1416, 20016), (1593, 17792), (1668, 16992), (1728, 16402), (1888, 15012), (2124, 13344), (2224, 12744), (2502, 11328), (2832, 10008), (3186, 8896), (3336, 8496), (3456, 8201), (3753, 7552), (3776, 7506), (4248, 6672), (4448, 6372), (5004, 5664)]