128459968

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 168

約数和(自身を含む): 335657952

約数和(自身を除く): 207197984

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 49, 52, 56, 64, 91, 92, 98, 104, 112, 137, 161, 182, 184, 196, 208, 224, 274, 299, 322, 364, 368, 392, 416, 448, 548, 598, 637, 644, 728, 736, 784, 832, 959, 1096, 1127, 1196, 1274, 1288, 1456, 1472, 1568, 1781, 1918, 2093, 2192, 2254, 2392, 2548, 2576, 2912, 3136, 3151, 3562, 3836, 4186, 4384, 4508, 4784, 5096, 5152, 5824, 6302, 6713, 7124, 7672, 8372, 8768, 9016, 9568, 10192, 10304, 12467, 12604, 13426, 14248, 14651, 15344, 16744, 18032, 19136, 20384, 22057, 24934, 25208, 26852, 28496, 29302, 30688, 33488, 36064, 40768, 40963, 44114, 49868, 50416, 53704, 56992, 58604, 61376, 66976, 72128, 81926, 87269, 88228, 99736, 100832, 107408, 113984, 117208, 133952, 154399, 163852, 174538, 176456, 199472, 201664, 214816, 234416, 286741, 308798, 327704, 349076, 352912, 398944, 429632, 468832, 573482, 617596, 655408, 698152, 705824, 797888, 937664, 1146964, 1235192, 1310816, 1396304, 1411648, 2007187, 2293928, 2470384, 2621632, 2792608, 4014374, 4587856, 4940768, 5585216, 8028748, 9175712, 9881536, 16057496, 18351424, 32114992, 64229984, 128459968]

約数ペア:

[(1, 128459968), (2, 64229984), (4, 32114992), (7, 18351424), (8, 16057496), (13, 9881536), (14, 9175712), (16, 8028748), (23, 5585216), (26, 4940768), (28, 4587856), (32, 4014374), (46, 2792608), (49, 2621632), (52, 2470384), (56, 2293928), (64, 2007187), (91, 1411648), (92, 1396304), (98, 1310816), (104, 1235192), (112, 1146964), (137, 937664), (161, 797888), (182, 705824), (184, 698152), (196, 655408), (208, 617596), (224, 573482), (274, 468832), (299, 429632), (322, 398944), (364, 352912), (368, 349076), (392, 327704), (416, 308798), (448, 286741), (548, 234416), (598, 214816), (637, 201664), (644, 199472), (728, 176456), (736, 174538), (784, 163852), (832, 154399), (959, 133952), (1096, 117208), (1127, 113984), (1196, 107408), (1274, 100832), (1288, 99736), (1456, 88228), (1472, 87269), (1568, 81926), (1781, 72128), (1918, 66976), (2093, 61376), (2192, 58604), (2254, 56992), (2392, 53704), (2548, 50416), (2576, 49868), (2912, 44114), (3136, 40963), (3151, 40768), (3562, 36064), (3836, 33488), (4186, 30688), (4384, 29302), (4508, 28496), (4784, 26852), (5096, 25208), (5152, 24934), (5824, 22057), (6302, 20384), (6713, 19136), (7124, 18032), (7672, 16744), (8372, 15344), (8768, 14651), (9016, 14248), (9568, 13426), (10192, 12604), (10304, 12467)]