257147072

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:758

約数の個数: 112

約数和(自身を含む): 638373120

約数和(自身を除く): 381226048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 67, 91, 104, 112, 134, 182, 208, 224, 268, 364, 416, 448, 469, 536, 659, 728, 832, 871, 938, 1072, 1318, 1456, 1742, 1876, 2144, 2636, 2912, 3484, 3752, 4288, 4613, 5272, 5824, 6097, 6968, 7504, 8567, 9226, 10544, 12194, 13936, 15008, 17134, 18452, 21088, 24388, 27872, 30016, 34268, 36904, 42176, 44153, 48776, 55744, 59969, 68536, 73808, 88306, 97552, 119938, 137072, 147616, 176612, 195104, 239876, 274144, 295232, 309071, 353224, 390208, 479752, 548288, 573989, 618142, 706448, 959504, 1147978, 1236284, 1412896, 1919008, 2295956, 2472568, 2825792, 3838016, 4017923, 4591912, 4945136, 8035846, 9183824, 9890272, 16071692, 18367648, 19780544, 32143384, 36735296, 64286768, 128573536, 257147072]

約数ペア:

[(1, 257147072), (2, 128573536), (4, 64286768), (7, 36735296), (8, 32143384), (13, 19780544), (14, 18367648), (16, 16071692), (26, 9890272), (28, 9183824), (32, 8035846), (52, 4945136), (56, 4591912), (64, 4017923), (67, 3838016), (91, 2825792), (104, 2472568), (112, 2295956), (134, 1919008), (182, 1412896), (208, 1236284), (224, 1147978), (268, 959504), (364, 706448), (416, 618142), (448, 573989), (469, 548288), (536, 479752), (659, 390208), (728, 353224), (832, 309071), (871, 295232), (938, 274144), (1072, 239876), (1318, 195104), (1456, 176612), (1742, 147616), (1876, 137072), (2144, 119938), (2636, 97552), (2912, 88306), (3484, 73808), (3752, 68536), (4288, 59969), (4613, 55744), (5272, 48776), (5824, 44153), (6097, 42176), (6968, 36904), (7504, 34268), (8567, 30016), (9226, 27872), (10544, 24388), (12194, 21088), (13936, 18452), (15008, 17134)]