1999221504

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1447}}^1$

素因数の和:1730

約数の個数: 144

約数和(自身を含む): 6108845568

約数和(自身を除く): 4109624064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 257, 336, 384, 448, 514, 672, 768, 771, 896, 1028, 1344, 1447, 1542, 1792, 1799, 2056, 2688, 2894, 3084, 3598, 4112, 4341, 5376, 5397, 5788, 6168, 7196, 8224, 8682, 10129, 10794, 11576, 12336, 14392, 16448, 17364, 20258, 21588, 23152, 24672, 28784, 30387, 32896, 34728, 40516, 43176, 46304, 49344, 57568, 60774, 65792, 69456, 81032, 86352, 92608, 98688, 115136, 121548, 138912, 162064, 172704, 185216, 197376, 230272, 243096, 277824, 324128, 345408, 370432, 371879, 460544, 486192, 555648, 648256, 690816, 743758, 972384, 1111296, 1115637, 1296512, 1381632, 1487516, 1944768, 2231274, 2593024, 2603153, 2975032, 3889536, 4462548, 5206306, 5950064, 7779072, 7809459, 8925096, 10412612, 11900128, 15618918, 17850192, 20825224, 23800256, 31237836, 35700384, 41650448, 47600512, 62475672, 71400768, 83300896, 95201024, 124951344, 142801536, 166601792, 249902688, 285603072, 333203584, 499805376, 666407168, 999610752, 1999221504]

約数ペア:

[(1, 1999221504), (2, 999610752), (3, 666407168), (4, 499805376), (6, 333203584), (7, 285603072), (8, 249902688), (12, 166601792), (14, 142801536), (16, 124951344), (21, 95201024), (24, 83300896), (28, 71400768), (32, 62475672), (42, 47600512), (48, 41650448), (56, 35700384), (64, 31237836), (84, 23800256), (96, 20825224), (112, 17850192), (128, 15618918), (168, 11900128), (192, 10412612), (224, 8925096), (256, 7809459), (257, 7779072), (336, 5950064), (384, 5206306), (448, 4462548), (514, 3889536), (672, 2975032), (768, 2603153), (771, 2593024), (896, 2231274), (1028, 1944768), (1344, 1487516), (1447, 1381632), (1542, 1296512), (1792, 1115637), (1799, 1111296), (2056, 972384), (2688, 743758), (2894, 690816), (3084, 648256), (3598, 555648), (4112, 486192), (4341, 460544), (5376, 371879), (5397, 370432), (5788, 345408), (6168, 324128), (7196, 277824), (8224, 243096), (8682, 230272), (10129, 197376), (10794, 185216), (11576, 172704), (12336, 162064), (14392, 138912), (16448, 121548), (17364, 115136), (20258, 98688), (21588, 92608), (23152, 86352), (24672, 81032), (28784, 69456), (30387, 65792), (32896, 60774), (34728, 57568), (40516, 49344), (43176, 46304)]