257288416

素因数分解:

$2^5\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2131}}^1$

素因数の和:2173

約数の個数: 96

約数和(自身を含む): 644716800

約数和(自身を除く): 387428384

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 343, 352, 392, 539, 616, 686, 784, 1078, 1232, 1372, 1568, 2131, 2156, 2464, 2744, 3773, 4262, 4312, 5488, 7546, 8524, 8624, 10976, 14917, 15092, 17048, 17248, 23441, 29834, 30184, 34096, 46882, 59668, 60368, 68192, 93764, 104419, 119336, 120736, 164087, 187528, 208838, 238672, 328174, 375056, 417676, 477344, 656348, 730933, 750112, 835352, 1148609, 1312696, 1461866, 1670704, 2297218, 2625392, 2923732, 3341408, 4594436, 5250784, 5847464, 8040263, 9188872, 11694928, 16080526, 18377744, 23389856, 32161052, 36755488, 64322104, 128644208, 257288416]

約数ペア:

[(1, 257288416), (2, 128644208), (4, 64322104), (7, 36755488), (8, 32161052), (11, 23389856), (14, 18377744), (16, 16080526), (22, 11694928), (28, 9188872), (32, 8040263), (44, 5847464), (49, 5250784), (56, 4594436), (77, 3341408), (88, 2923732), (98, 2625392), (112, 2297218), (154, 1670704), (176, 1461866), (196, 1312696), (224, 1148609), (308, 835352), (343, 750112), (352, 730933), (392, 656348), (539, 477344), (616, 417676), (686, 375056), (784, 328174), (1078, 238672), (1232, 208838), (1372, 187528), (1568, 164087), (2131, 120736), (2156, 119336), (2464, 104419), (2744, 93764), (3773, 68192), (4262, 60368), (4312, 59668), (5488, 46882), (7546, 34096), (8524, 30184), (8624, 29834), (10976, 23441), (14917, 17248), (15092, 17048)]