211431168

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 216

約数和(自身を含む): 680774640

約数和(自身を除く): 469343472

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, 169, 181, 192, 208, 216, 234, 256, 288, 312, 338, 351, 362, 384, 416, 432, 468, 507, 543, 576, 624, 676, 702, 724, 768, 832, 864, 936, 1014, 1086, 1152, 1248, 1352, 1404, 1448, 1521, 1629, 1664, 1728, 1872, 2028, 2172, 2304, 2353, 2496, 2704, 2808, 2896, 3042, 3258, 3328, 3456, 3744, 4056, 4344, 4563, 4706, 4887, 4992, 5408, 5616, 5792, 6084, 6516, 6912, 7059, 7488, 8112, 8688, 9126, 9412, 9774, 9984, 10816, 11232, 11584, 12168, 13032, 14118, 14976, 16224, 17376, 18252, 18824, 19548, 21177, 21632, 22464, 23168, 24336, 26064, 28236, 29952, 30589, 32448, 34752, 36504, 37648, 39096, 42354, 43264, 44928, 46336, 48672, 52128, 56472, 61178, 63531, 64896, 69504, 73008, 75296, 78192, 84708, 89856, 91767, 97344, 104256, 112944, 122356, 127062, 129792, 139008, 146016, 150592, 156384, 169416, 183534, 194688, 208512, 225888, 244712, 254124, 275301, 292032, 301184, 312768, 338832, 367068, 389376, 417024, 451776, 489424, 508248, 550602, 584064, 602368, 625536, 677664, 734136, 825903, 903552, 978848, 1016496, 1101204, 1168128, 1251072, 1355328, 1468272, 1651806, 1807104, 1957696, 2032992, 2202408, 2710656, 2936544, 3303612, 3915392, 4065984, 4404816, 5421312, 5873088, 6607224, 7830784, 8131968, 8809632, 11746176, 13214448, 16263936, 17619264, 23492352, 26428896, 35238528, 52857792, 70477056, 105715584, 211431168]

約数ペア:

[(1, 211431168), (2, 105715584), (3, 70477056), (4, 52857792), (6, 35238528), (8, 26428896), (9, 23492352), (12, 17619264), (13, 16263936), (16, 13214448), (18, 11746176), (24, 8809632), (26, 8131968), (27, 7830784), (32, 6607224), (36, 5873088), (39, 5421312), (48, 4404816), (52, 4065984), (54, 3915392), (64, 3303612), (72, 2936544), (78, 2710656), (96, 2202408), (104, 2032992), (108, 1957696), (117, 1807104), (128, 1651806), (144, 1468272), (156, 1355328), (169, 1251072), (181, 1168128), (192, 1101204), (208, 1016496), (216, 978848), (234, 903552), (256, 825903), (288, 734136), (312, 677664), (338, 625536), (351, 602368), (362, 584064), (384, 550602), (416, 508248), (432, 489424), (468, 451776), (507, 417024), (543, 389376), (576, 367068), (624, 338832), (676, 312768), (702, 301184), (724, 292032), (768, 275301), (832, 254124), (864, 244712), (936, 225888), (1014, 208512), (1086, 194688), (1152, 183534), (1248, 169416), (1352, 156384), (1404, 150592), (1448, 146016), (1521, 139008), (1629, 129792), (1664, 127062), (1728, 122356), (1872, 112944), (2028, 104256), (2172, 97344), (2304, 91767), (2353, 89856), (2496, 84708), (2704, 78192), (2808, 75296), (2896, 73008), (3042, 69504), (3258, 64896), (3328, 63531), (3456, 61178), (3744, 56472), (4056, 52128), (4344, 48672), (4563, 46336), (4706, 44928), (4887, 43264), (4992, 42354), (5408, 39096), (5616, 37648), (5792, 36504), (6084, 34752), (6516, 32448), (6912, 30589), (7059, 29952), (7488, 28236), (8112, 26064), (8688, 24336), (9126, 23168), (9412, 22464), (9774, 21632), (9984, 21177), (10816, 19548), (11232, 18824), (11584, 18252), (12168, 17376), (13032, 16224), (14118, 14976)]