1998079776

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8191}}^1$

素因数の和:8236

約数の個数: 216

約数和(自身を含む): 7138639872

約数和(自身を除く): 5140560096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 96, 99, 112, 121, 126, 132, 144, 154, 168, 176, 198, 224, 231, 242, 252, 264, 288, 308, 336, 352, 363, 396, 462, 484, 504, 528, 616, 672, 693, 726, 792, 847, 924, 968, 1008, 1056, 1089, 1232, 1386, 1452, 1584, 1694, 1848, 1936, 2016, 2178, 2464, 2541, 2772, 2904, 3168, 3388, 3696, 3872, 4356, 5082, 5544, 5808, 6776, 7392, 7623, 8191, 8712, 10164, 11088, 11616, 13552, 15246, 16382, 17424, 20328, 22176, 24573, 27104, 30492, 32764, 34848, 40656, 49146, 57337, 60984, 65528, 73719, 81312, 90101, 98292, 114674, 121968, 131056, 147438, 172011, 180202, 196584, 229348, 243936, 262112, 270303, 294876, 344022, 360404, 393168, 458696, 516033, 540606, 589752, 630707, 688044, 720808, 786336, 810909, 917392, 991111, 1032066, 1081212, 1179504, 1261414, 1376088, 1441616, 1621818, 1834784, 1892121, 1982222, 2064132, 2162424, 2359008, 2522828, 2752176, 2883232, 2973333, 3243636, 3784242, 3964444, 4128264, 4324848, 5045656, 5504352, 5676363, 5946666, 6487272, 6937777, 7568484, 7928888, 8256528, 8649696, 8919999, 10091312, 11352726, 11893332, 12974544, 13875554, 15136968, 15857776, 16513056, 17839998, 20182624, 20813331, 22705452, 23786664, 25949088, 27751108, 30273936, 31715552, 35679996, 41626662, 45410904, 47573328, 55502216, 60547872, 62439993, 71359992, 83253324, 90821808, 95146656, 111004432, 124879986, 142719984, 166506648, 181643616, 222008864, 249759972, 285439968, 333013296, 499519944, 666026592, 999039888, 1998079776]

約数ペア:

[(1, 1998079776), (2, 999039888), (3, 666026592), (4, 499519944), (6, 333013296), (7, 285439968), (8, 249759972), (9, 222008864), (11, 181643616), (12, 166506648), (14, 142719984), (16, 124879986), (18, 111004432), (21, 95146656), (22, 90821808), (24, 83253324), (28, 71359992), (32, 62439993), (33, 60547872), (36, 55502216), (42, 47573328), (44, 45410904), (48, 41626662), (56, 35679996), (63, 31715552), (66, 30273936), (72, 27751108), (77, 25949088), (84, 23786664), (88, 22705452), (96, 20813331), (99, 20182624), (112, 17839998), (121, 16513056), (126, 15857776), (132, 15136968), (144, 13875554), (154, 12974544), (168, 11893332), (176, 11352726), (198, 10091312), (224, 8919999), (231, 8649696), (242, 8256528), (252, 7928888), (264, 7568484), (288, 6937777), (308, 6487272), (336, 5946666), (352, 5676363), (363, 5504352), (396, 5045656), (462, 4324848), (484, 4128264), (504, 3964444), (528, 3784242), (616, 3243636), (672, 2973333), (693, 2883232), (726, 2752176), (792, 2522828), (847, 2359008), (924, 2162424), (968, 2064132), (1008, 1982222), (1056, 1892121), (1089, 1834784), (1232, 1621818), (1386, 1441616), (1452, 1376088), (1584, 1261414), (1694, 1179504), (1848, 1081212), (1936, 1032066), (2016, 991111), (2178, 917392), (2464, 810909), (2541, 786336), (2772, 720808), (2904, 688044), (3168, 630707), (3388, 589752), (3696, 540606), (3872, 516033), (4356, 458696), (5082, 393168), (5544, 360404), (5808, 344022), (6776, 294876), (7392, 270303), (7623, 262112), (8191, 243936), (8712, 229348), (10164, 196584), (11088, 180202), (11616, 172011), (13552, 147438), (15246, 131056), (16382, 121968), (17424, 114674), (20328, 98292), (22176, 90101), (24573, 81312), (27104, 73719), (30492, 65528), (32764, 60984), (34848, 57337), (40656, 49146)]