1256275328

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 192

約数和(自身を含む): 3223281600

約数和(自身を除く): 1967006272

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 131, 139, 154, 176, 196, 224, 262, 278, 308, 352, 392, 448, 524, 539, 556, 616, 704, 784, 896, 917, 973, 1048, 1078, 1112, 1232, 1408, 1441, 1529, 1568, 1834, 1946, 2096, 2156, 2224, 2464, 2882, 3058, 3136, 3668, 3892, 4192, 4312, 4448, 4928, 5764, 6116, 6272, 6419, 6811, 7336, 7784, 8384, 8624, 8896, 9856, 10087, 10703, 11528, 12232, 12838, 13622, 14672, 15568, 16768, 17248, 17792, 18209, 20174, 21406, 23056, 24464, 25676, 27244, 29344, 31136, 34496, 36418, 40348, 42812, 46112, 48928, 51352, 54488, 58688, 62272, 68992, 70609, 72836, 74921, 80696, 85624, 92224, 97856, 102704, 108976, 117376, 124544, 127463, 141218, 145672, 149842, 161392, 171248, 184448, 195712, 200299, 205408, 217952, 254926, 282436, 291344, 299684, 322784, 342496, 400598, 410816, 435904, 509852, 564872, 582688, 599368, 645568, 684992, 801196, 821632, 871808, 892241, 1019704, 1129744, 1165376, 1198736, 1291136, 1369984, 1402093, 1602392, 1784482, 2039408, 2259488, 2330752, 2397472, 2804186, 3204784, 3568964, 4078816, 4518976, 4794944, 5608372, 6409568, 7137928, 8157632, 9037952, 9589888, 9814651, 11216744, 12819136, 14275856, 16315264, 19629302, 22433488, 25638272, 28551712, 39258604, 44866976, 57103424, 78517208, 89733952, 114206848, 157034416, 179467904, 314068832, 628137664, 1256275328]

約数ペア:

[(1, 1256275328), (2, 628137664), (4, 314068832), (7, 179467904), (8, 157034416), (11, 114206848), (14, 89733952), (16, 78517208), (22, 57103424), (28, 44866976), (32, 39258604), (44, 28551712), (49, 25638272), (56, 22433488), (64, 19629302), (77, 16315264), (88, 14275856), (98, 12819136), (112, 11216744), (128, 9814651), (131, 9589888), (139, 9037952), (154, 8157632), (176, 7137928), (196, 6409568), (224, 5608372), (262, 4794944), (278, 4518976), (308, 4078816), (352, 3568964), (392, 3204784), (448, 2804186), (524, 2397472), (539, 2330752), (556, 2259488), (616, 2039408), (704, 1784482), (784, 1602392), (896, 1402093), (917, 1369984), (973, 1291136), (1048, 1198736), (1078, 1165376), (1112, 1129744), (1232, 1019704), (1408, 892241), (1441, 871808), (1529, 821632), (1568, 801196), (1834, 684992), (1946, 645568), (2096, 599368), (2156, 582688), (2224, 564872), (2464, 509852), (2882, 435904), (3058, 410816), (3136, 400598), (3668, 342496), (3892, 322784), (4192, 299684), (4312, 291344), (4448, 282436), (4928, 254926), (5764, 217952), (6116, 205408), (6272, 200299), (6419, 195712), (6811, 184448), (7336, 171248), (7784, 161392), (8384, 149842), (8624, 145672), (8896, 141218), (9856, 127463), (10087, 124544), (10703, 117376), (11528, 108976), (12232, 102704), (12838, 97856), (13622, 92224), (14672, 85624), (15568, 80696), (16768, 74921), (17248, 72836), (17792, 70609), (18209, 68992), (20174, 62272), (21406, 58688), (23056, 54488), (24464, 51352), (25676, 48928), (27244, 46112), (29344, 42812), (31136, 40348), (34496, 36418)]