51718912

素因数分解:

$2^8\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 130816000

約数和(自身を除く): 79097088

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 49, 56, 62, 64, 76, 98, 112, 124, 128, 133, 152, 196, 217, 224, 248, 256, 266, 304, 343, 392, 434, 448, 496, 532, 589, 608, 686, 784, 868, 896, 931, 992, 1064, 1178, 1216, 1372, 1519, 1568, 1736, 1792, 1862, 1984, 2128, 2356, 2432, 2744, 3038, 3136, 3472, 3724, 3968, 4123, 4256, 4712, 4864, 5488, 6076, 6272, 6517, 6944, 7448, 7936, 8246, 8512, 9424, 10633, 10976, 12152, 12544, 13034, 13888, 14896, 16492, 17024, 18848, 21266, 21952, 24304, 26068, 27776, 28861, 29792, 32984, 34048, 37696, 42532, 43904, 48608, 52136, 55552, 57722, 59584, 65968, 75392, 85064, 87808, 97216, 104272, 115444, 119168, 131936, 150784, 170128, 194432, 202027, 208544, 230888, 238336, 263872, 340256, 388864, 404054, 417088, 461776, 527744, 680512, 808108, 834176, 923552, 1055488, 1361024, 1616216, 1668352, 1847104, 2722048, 3232432, 3694208, 6464864, 7388416, 12929728, 25859456, 51718912]

約数ペア:

[(1, 51718912), (2, 25859456), (4, 12929728), (7, 7388416), (8, 6464864), (14, 3694208), (16, 3232432), (19, 2722048), (28, 1847104), (31, 1668352), (32, 1616216), (38, 1361024), (49, 1055488), (56, 923552), (62, 834176), (64, 808108), (76, 680512), (98, 527744), (112, 461776), (124, 417088), (128, 404054), (133, 388864), (152, 340256), (196, 263872), (217, 238336), (224, 230888), (248, 208544), (256, 202027), (266, 194432), (304, 170128), (343, 150784), (392, 131936), (434, 119168), (448, 115444), (496, 104272), (532, 97216), (589, 87808), (608, 85064), (686, 75392), (784, 65968), (868, 59584), (896, 57722), (931, 55552), (992, 52136), (1064, 48608), (1178, 43904), (1216, 42532), (1372, 37696), (1519, 34048), (1568, 32984), (1736, 29792), (1792, 28861), (1862, 27776), (1984, 26068), (2128, 24304), (2356, 21952), (2432, 21266), (2744, 18848), (3038, 17024), (3136, 16492), (3472, 14896), (3724, 13888), (3968, 13034), (4123, 12544), (4256, 12152), (4712, 10976), (4864, 10633), (5488, 9424), (6076, 8512), (6272, 8246), (6517, 7936), (6944, 7448)]