263292288

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{1999}}^1$

素因数の和:2037

約数の個数: 128

約数和(自身を含む): 816000000

約数和(自身を除く): 552707712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 294, 336, 343, 384, 392, 448, 588, 672, 686, 784, 896, 1029, 1176, 1344, 1372, 1568, 1999, 2058, 2352, 2688, 2744, 3136, 3998, 4116, 4704, 5488, 5997, 6272, 7996, 8232, 9408, 10976, 11994, 13993, 15992, 16464, 18816, 21952, 23988, 27986, 31984, 32928, 41979, 43904, 47976, 55972, 63968, 65856, 83958, 95952, 97951, 111944, 127936, 131712, 167916, 191904, 195902, 223888, 255872, 293853, 335832, 383808, 391804, 447776, 587706, 671664, 685657, 767616, 783608, 895552, 1175412, 1343328, 1371314, 1567216, 1791104, 2056971, 2350824, 2686656, 2742628, 3134432, 4113942, 4701648, 5373312, 5485256, 6268864, 8227884, 9403296, 10970512, 12537728, 16455768, 18806592, 21941024, 32911536, 37613184, 43882048, 65823072, 87764096, 131646144, 263292288]

約数ペア:

[(1, 263292288), (2, 131646144), (3, 87764096), (4, 65823072), (6, 43882048), (7, 37613184), (8, 32911536), (12, 21941024), (14, 18806592), (16, 16455768), (21, 12537728), (24, 10970512), (28, 9403296), (32, 8227884), (42, 6268864), (48, 5485256), (49, 5373312), (56, 4701648), (64, 4113942), (84, 3134432), (96, 2742628), (98, 2686656), (112, 2350824), (128, 2056971), (147, 1791104), (168, 1567216), (192, 1371314), (196, 1343328), (224, 1175412), (294, 895552), (336, 783608), (343, 767616), (384, 685657), (392, 671664), (448, 587706), (588, 447776), (672, 391804), (686, 383808), (784, 335832), (896, 293853), (1029, 255872), (1176, 223888), (1344, 195902), (1372, 191904), (1568, 167916), (1999, 131712), (2058, 127936), (2352, 111944), (2688, 97951), (2744, 95952), (3136, 83958), (3998, 65856), (4116, 63968), (4704, 55972), (5488, 47976), (5997, 43904), (6272, 41979), (7996, 32928), (8232, 31984), (9408, 27986), (10976, 23988), (11994, 21952), (13993, 18816), (15992, 16464)]