28349568

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 90249600

約数和(自身を除く): 61900032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 288, 312, 351, 384, 416, 432, 468, 576, 624, 631, 702, 832, 864, 936, 1152, 1248, 1262, 1404, 1664, 1728, 1872, 1893, 2496, 2524, 2808, 3456, 3744, 3786, 4992, 5048, 5616, 5679, 7488, 7572, 8203, 10096, 11232, 11358, 14976, 15144, 16406, 17037, 20192, 22464, 22716, 24609, 30288, 32812, 34074, 40384, 44928, 45432, 49218, 60576, 65624, 68148, 73827, 80768, 90864, 98436, 121152, 131248, 136296, 147654, 181728, 196872, 221481, 242304, 262496, 272592, 295308, 363456, 393744, 442962, 524992, 545184, 590616, 726912, 787488, 885924, 1049984, 1090368, 1181232, 1574976, 1771848, 2180736, 2362464, 3149952, 3543696, 4724928, 7087392, 9449856, 14174784, 28349568]

約数ペア:

[(1, 28349568), (2, 14174784), (3, 9449856), (4, 7087392), (6, 4724928), (8, 3543696), (9, 3149952), (12, 2362464), (13, 2180736), (16, 1771848), (18, 1574976), (24, 1181232), (26, 1090368), (27, 1049984), (32, 885924), (36, 787488), (39, 726912), (48, 590616), (52, 545184), (54, 524992), (64, 442962), (72, 393744), (78, 363456), (96, 295308), (104, 272592), (108, 262496), (117, 242304), (128, 221481), (144, 196872), (156, 181728), (192, 147654), (208, 136296), (216, 131248), (234, 121152), (288, 98436), (312, 90864), (351, 80768), (384, 73827), (416, 68148), (432, 65624), (468, 60576), (576, 49218), (624, 45432), (631, 44928), (702, 40384), (832, 34074), (864, 32812), (936, 30288), (1152, 24609), (1248, 22716), (1262, 22464), (1404, 20192), (1664, 17037), (1728, 16406), (1872, 15144), (1893, 14976), (2496, 11358), (2524, 11232), (2808, 10096), (3456, 8203), (3744, 7572), (3786, 7488), (4992, 5679), (5048, 5616)]