1999526144

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:421

約数の個数: 216

約数和(自身を含む): 5198120928

約数和(自身を除く): 3198594784

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 49, 56, 64, 77, 86, 88, 98, 112, 128, 154, 172, 176, 196, 224, 256, 301, 308, 337, 344, 352, 392, 448, 473, 539, 602, 616, 674, 688, 704, 784, 896, 946, 1078, 1204, 1232, 1348, 1376, 1408, 1568, 1792, 1892, 2107, 2156, 2359, 2408, 2464, 2696, 2752, 2816, 3136, 3311, 3707, 3784, 4214, 4312, 4718, 4816, 4928, 5392, 5504, 6272, 6622, 7414, 7568, 8428, 8624, 9436, 9632, 9856, 10784, 11008, 12544, 13244, 14491, 14828, 15136, 16513, 16856, 17248, 18872, 19264, 19712, 21568, 23177, 25949, 26488, 28982, 29656, 30272, 33026, 33712, 34496, 37744, 38528, 43136, 46354, 51898, 52976, 57964, 59312, 60544, 66052, 67424, 68992, 75488, 77056, 86272, 92708, 101437, 103796, 105952, 115928, 118624, 121088, 132104, 134848, 137984, 150976, 159401, 181643, 185416, 202874, 207592, 211904, 231856, 237248, 264208, 269696, 301952, 318802, 363286, 370832, 405748, 415184, 423808, 463712, 474496, 528416, 539392, 603904, 637604, 710059, 726572, 741664, 811496, 830368, 847616, 927424, 948992, 1056832, 1115807, 1275208, 1420118, 1453144, 1483328, 1622992, 1660736, 1854848, 2113664, 2231614, 2550416, 2840236, 2906288, 2966656, 3245984, 3321472, 3709696, 4227328, 4463228, 5100832, 5680472, 5812576, 5933312, 6491968, 6642944, 7810649, 8926456, 10201664, 11360944, 11625152, 12983936, 15621298, 17852912, 20403328, 22721888, 23250304, 25967872, 31242596, 35705824, 40806656, 45443776, 46500608, 62485192, 71411648, 90887552, 124970384, 142823296, 181775104, 249940768, 285646592, 499881536, 999763072, 1999526144]

約数ペア:

[(1, 1999526144), (2, 999763072), (4, 499881536), (7, 285646592), (8, 249940768), (11, 181775104), (14, 142823296), (16, 124970384), (22, 90887552), (28, 71411648), (32, 62485192), (43, 46500608), (44, 45443776), (49, 40806656), (56, 35705824), (64, 31242596), (77, 25967872), (86, 23250304), (88, 22721888), (98, 20403328), (112, 17852912), (128, 15621298), (154, 12983936), (172, 11625152), (176, 11360944), (196, 10201664), (224, 8926456), (256, 7810649), (301, 6642944), (308, 6491968), (337, 5933312), (344, 5812576), (352, 5680472), (392, 5100832), (448, 4463228), (473, 4227328), (539, 3709696), (602, 3321472), (616, 3245984), (674, 2966656), (688, 2906288), (704, 2840236), (784, 2550416), (896, 2231614), (946, 2113664), (1078, 1854848), (1204, 1660736), (1232, 1622992), (1348, 1483328), (1376, 1453144), (1408, 1420118), (1568, 1275208), (1792, 1115807), (1892, 1056832), (2107, 948992), (2156, 927424), (2359, 847616), (2408, 830368), (2464, 811496), (2696, 741664), (2752, 726572), (2816, 710059), (3136, 637604), (3311, 603904), (3707, 539392), (3784, 528416), (4214, 474496), (4312, 463712), (4718, 423808), (4816, 415184), (4928, 405748), (5392, 370832), (5504, 363286), (6272, 318802), (6622, 301952), (7414, 269696), (7568, 264208), (8428, 237248), (8624, 231856), (9436, 211904), (9632, 207592), (9856, 202874), (10784, 185416), (11008, 181643), (12544, 159401), (13244, 150976), (14491, 137984), (14828, 134848), (15136, 132104), (16513, 121088), (16856, 118624), (17248, 115928), (18872, 105952), (19264, 103796), (19712, 101437), (21568, 92708), (23177, 86272), (25949, 77056), (26488, 75488), (28982, 68992), (29656, 67424), (30272, 66052), (33026, 60544), (33712, 59312), (34496, 57964), (37744, 52976), (38528, 51898), (43136, 46354)]