28987008

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 84456000

約数和(自身を除く): 55468992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 29, 32, 38, 48, 57, 58, 64, 76, 87, 96, 114, 116, 128, 137, 152, 174, 192, 228, 232, 274, 304, 348, 384, 411, 456, 464, 548, 551, 608, 696, 822, 912, 928, 1096, 1102, 1216, 1392, 1644, 1653, 1824, 1856, 2192, 2204, 2432, 2603, 2784, 3288, 3306, 3648, 3712, 3973, 4384, 4408, 5206, 5568, 6576, 6612, 7296, 7809, 7946, 8768, 8816, 10412, 11136, 11919, 13152, 13224, 15618, 15892, 17536, 17632, 20824, 23838, 26304, 26448, 31236, 31784, 35264, 41648, 47676, 52608, 52896, 62472, 63568, 70528, 75487, 83296, 95352, 105792, 124944, 127136, 150974, 166592, 190704, 211584, 226461, 249888, 254272, 301948, 333184, 381408, 452922, 499776, 508544, 603896, 762816, 905844, 999552, 1207792, 1525632, 1811688, 2415584, 3623376, 4831168, 7246752, 9662336, 14493504, 28987008]

約数ペア:

[(1, 28987008), (2, 14493504), (3, 9662336), (4, 7246752), (6, 4831168), (8, 3623376), (12, 2415584), (16, 1811688), (19, 1525632), (24, 1207792), (29, 999552), (32, 905844), (38, 762816), (48, 603896), (57, 508544), (58, 499776), (64, 452922), (76, 381408), (87, 333184), (96, 301948), (114, 254272), (116, 249888), (128, 226461), (137, 211584), (152, 190704), (174, 166592), (192, 150974), (228, 127136), (232, 124944), (274, 105792), (304, 95352), (348, 83296), (384, 75487), (411, 70528), (456, 63568), (464, 62472), (548, 52896), (551, 52608), (608, 47676), (696, 41648), (822, 35264), (912, 31784), (928, 31236), (1096, 26448), (1102, 26304), (1216, 23838), (1392, 20824), (1644, 17632), (1653, 17536), (1824, 15892), (1856, 15618), (2192, 13224), (2204, 13152), (2432, 11919), (2603, 11136), (2784, 10412), (3288, 8816), (3306, 8768), (3648, 7946), (3712, 7809), (3973, 7296), (4384, 6612), (4408, 6576), (5206, 5568)]