28461888

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:222

約数の個数: 224

約数和(自身を含む): 103550720

約数和(自身を除く): 75088832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 64, 72, 78, 84, 91, 96, 104, 108, 112, 117, 126, 144, 156, 168, 181, 182, 189, 192, 208, 216, 224, 234, 252, 273, 288, 312, 336, 351, 362, 364, 378, 416, 432, 448, 468, 504, 543, 546, 576, 624, 672, 702, 724, 728, 756, 819, 832, 864, 936, 1008, 1086, 1092, 1248, 1267, 1344, 1404, 1448, 1456, 1512, 1629, 1638, 1728, 1872, 2016, 2172, 2184, 2353, 2457, 2496, 2534, 2808, 2896, 2912, 3024, 3258, 3276, 3744, 3801, 4032, 4344, 4368, 4706, 4887, 4914, 5068, 5616, 5792, 5824, 6048, 6516, 6552, 7059, 7488, 7602, 8688, 8736, 9412, 9774, 9828, 10136, 11232, 11403, 11584, 12096, 13032, 13104, 14118, 15204, 16471, 17376, 17472, 18824, 19548, 19656, 20272, 21177, 22464, 22806, 26064, 26208, 28236, 30408, 32942, 34209, 34752, 37648, 39096, 39312, 40544, 42354, 45612, 49413, 52128, 52416, 56472, 60816, 63531, 65884, 68418, 75296, 78192, 78624, 81088, 84708, 91224, 98826, 104256, 112944, 121632, 127062, 131768, 136836, 148239, 150592, 156384, 157248, 169416, 182448, 197652, 225888, 243264, 254124, 263536, 273672, 296478, 312768, 338832, 364896, 395304, 444717, 451776, 508248, 527072, 547344, 592956, 677664, 729792, 790608, 889434, 1016496, 1054144, 1094688, 1185912, 1355328, 1581216, 1778868, 2032992, 2189376, 2371824, 3162432, 3557736, 4065984, 4743648, 7115472, 9487296, 14230944, 28461888]

約数ペア:

[(1, 28461888), (2, 14230944), (3, 9487296), (4, 7115472), (6, 4743648), (7, 4065984), (8, 3557736), (9, 3162432), (12, 2371824), (13, 2189376), (14, 2032992), (16, 1778868), (18, 1581216), (21, 1355328), (24, 1185912), (26, 1094688), (27, 1054144), (28, 1016496), (32, 889434), (36, 790608), (39, 729792), (42, 677664), (48, 592956), (52, 547344), (54, 527072), (56, 508248), (63, 451776), (64, 444717), (72, 395304), (78, 364896), (84, 338832), (91, 312768), (96, 296478), (104, 273672), (108, 263536), (112, 254124), (117, 243264), (126, 225888), (144, 197652), (156, 182448), (168, 169416), (181, 157248), (182, 156384), (189, 150592), (192, 148239), (208, 136836), (216, 131768), (224, 127062), (234, 121632), (252, 112944), (273, 104256), (288, 98826), (312, 91224), (336, 84708), (351, 81088), (362, 78624), (364, 78192), (378, 75296), (416, 68418), (432, 65884), (448, 63531), (468, 60816), (504, 56472), (543, 52416), (546, 52128), (576, 49413), (624, 45612), (672, 42354), (702, 40544), (724, 39312), (728, 39096), (756, 37648), (819, 34752), (832, 34209), (864, 32942), (936, 30408), (1008, 28236), (1086, 26208), (1092, 26064), (1248, 22806), (1267, 22464), (1344, 21177), (1404, 20272), (1448, 19656), (1456, 19548), (1512, 18824), (1629, 17472), (1638, 17376), (1728, 16471), (1872, 15204), (2016, 14118), (2172, 13104), (2184, 13032), (2353, 12096), (2457, 11584), (2496, 11403), (2534, 11232), (2808, 10136), (2896, 9828), (2912, 9774), (3024, 9412), (3258, 8736), (3276, 8688), (3744, 7602), (3801, 7488), (4032, 7059), (4344, 6552), (4368, 6516), (4706, 6048), (4887, 5824), (4914, 5792), (5068, 5616)]