81721024

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 168

約数和(自身を含む): 216822528

約数和(自身を除く): 135101504

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 49, 56, 64, 77, 88, 92, 98, 103, 112, 154, 161, 176, 184, 196, 206, 224, 253, 308, 322, 352, 368, 392, 412, 448, 506, 539, 616, 644, 704, 721, 736, 784, 824, 1012, 1078, 1127, 1133, 1232, 1288, 1442, 1472, 1568, 1648, 1771, 2024, 2156, 2254, 2266, 2369, 2464, 2576, 2884, 3136, 3296, 3542, 4048, 4312, 4508, 4532, 4738, 4928, 5047, 5152, 5768, 6592, 7084, 7931, 8096, 8624, 9016, 9064, 9476, 10094, 10304, 11536, 12397, 14168, 15862, 16192, 16583, 17248, 18032, 18128, 18952, 20188, 23072, 24794, 26059, 28336, 31724, 33166, 34496, 36064, 36256, 37904, 40376, 46144, 49588, 52118, 55517, 56672, 63448, 66332, 72128, 72512, 75808, 80752, 99176, 104236, 111034, 113344, 116081, 126896, 132664, 151616, 161504, 182413, 198352, 208472, 222068, 232162, 253792, 265328, 323008, 364826, 396704, 416944, 444136, 464324, 507584, 530656, 729652, 793408, 833888, 888272, 928648, 1061312, 1276891, 1459304, 1667776, 1776544, 1857296, 2553782, 2918608, 3553088, 3714592, 5107564, 5837216, 7429184, 10215128, 11674432, 20430256, 40860512, 81721024]

約数ペア:

[(1, 81721024), (2, 40860512), (4, 20430256), (7, 11674432), (8, 10215128), (11, 7429184), (14, 5837216), (16, 5107564), (22, 3714592), (23, 3553088), (28, 2918608), (32, 2553782), (44, 1857296), (46, 1776544), (49, 1667776), (56, 1459304), (64, 1276891), (77, 1061312), (88, 928648), (92, 888272), (98, 833888), (103, 793408), (112, 729652), (154, 530656), (161, 507584), (176, 464324), (184, 444136), (196, 416944), (206, 396704), (224, 364826), (253, 323008), (308, 265328), (322, 253792), (352, 232162), (368, 222068), (392, 208472), (412, 198352), (448, 182413), (506, 161504), (539, 151616), (616, 132664), (644, 126896), (704, 116081), (721, 113344), (736, 111034), (784, 104236), (824, 99176), (1012, 80752), (1078, 75808), (1127, 72512), (1133, 72128), (1232, 66332), (1288, 63448), (1442, 56672), (1472, 55517), (1568, 52118), (1648, 49588), (1771, 46144), (2024, 40376), (2156, 37904), (2254, 36256), (2266, 36064), (2369, 34496), (2464, 33166), (2576, 31724), (2884, 28336), (3136, 26059), (3296, 24794), (3542, 23072), (4048, 20188), (4312, 18952), (4508, 18128), (4532, 18032), (4738, 17248), (4928, 16583), (5047, 16192), (5152, 15862), (5768, 14168), (6592, 12397), (7084, 11536), (7931, 10304), (8096, 10094), (8624, 9476), (9016, 9064)]