28313376

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:503

約数の個数: 144

約数和(自身を含む): 93308544

約数和(自身を除く): 64995168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 78, 84, 91, 96, 98, 104, 112, 147, 156, 168, 182, 196, 208, 224, 273, 294, 312, 336, 364, 392, 416, 463, 546, 588, 624, 637, 672, 728, 784, 926, 1092, 1176, 1248, 1274, 1389, 1456, 1568, 1852, 1911, 2184, 2352, 2548, 2778, 2912, 3241, 3704, 3822, 4368, 4704, 5096, 5556, 6019, 6482, 7408, 7644, 8736, 9723, 10192, 11112, 12038, 12964, 14816, 15288, 18057, 19446, 20384, 22224, 22687, 24076, 25928, 30576, 36114, 38892, 42133, 44448, 45374, 48152, 51856, 61152, 68061, 72228, 77784, 84266, 90748, 96304, 103712, 126399, 136122, 144456, 155568, 168532, 181496, 192608, 252798, 272244, 288912, 294931, 311136, 337064, 362992, 505596, 544488, 577824, 589862, 674128, 725984, 884793, 1011192, 1088976, 1179724, 1348256, 1769586, 2022384, 2177952, 2359448, 3539172, 4044768, 4718896, 7078344, 9437792, 14156688, 28313376]

約数ペア:

[(1, 28313376), (2, 14156688), (3, 9437792), (4, 7078344), (6, 4718896), (7, 4044768), (8, 3539172), (12, 2359448), (13, 2177952), (14, 2022384), (16, 1769586), (21, 1348256), (24, 1179724), (26, 1088976), (28, 1011192), (32, 884793), (39, 725984), (42, 674128), (48, 589862), (49, 577824), (52, 544488), (56, 505596), (78, 362992), (84, 337064), (91, 311136), (96, 294931), (98, 288912), (104, 272244), (112, 252798), (147, 192608), (156, 181496), (168, 168532), (182, 155568), (196, 144456), (208, 136122), (224, 126399), (273, 103712), (294, 96304), (312, 90748), (336, 84266), (364, 77784), (392, 72228), (416, 68061), (463, 61152), (546, 51856), (588, 48152), (624, 45374), (637, 44448), (672, 42133), (728, 38892), (784, 36114), (926, 30576), (1092, 25928), (1176, 24076), (1248, 22687), (1274, 22224), (1389, 20384), (1456, 19446), (1568, 18057), (1852, 15288), (1911, 14816), (2184, 12964), (2352, 12038), (2548, 11112), (2778, 10192), (2912, 9723), (3241, 8736), (3704, 7644), (3822, 7408), (4368, 6482), (4704, 6019), (5096, 5556)]