12821235532

素因数分解:

$2^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{359}}^1\times {\mathrm{709}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 26311975200

約数和(自身を除く): 13490739668

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 257, 359, 514, 709, 718, 1028, 1418, 1436, 1799, 2513, 2836, 3598, 4963, 5026, 7196, 9926, 10052, 12593, 17591, 19852, 25186, 34741, 35182, 50372, 69482, 70364, 92263, 138964, 182213, 184526, 254531, 364426, 369052, 509062, 645841, 728852, 1018124, 1275491, 1291682, 1781717, 2550982, 2583364, 3563434, 4520887, 5101964, 7126868, 8928437, 9041774, 12472019, 17856874, 18083548, 24944038, 35713748, 49888076, 65414467, 130828934, 261657868, 457901269, 915802538, 1831605076, 3205308883, 6410617766, 12821235532]

約数ペア:

[(1, 12821235532), (2, 6410617766), (4, 3205308883), (7, 1831605076), (14, 915802538), (28, 457901269), (49, 261657868), (98, 130828934), (196, 65414467), (257, 49888076), (359, 35713748), (514, 24944038), (709, 18083548), (718, 17856874), (1028, 12472019), (1418, 9041774), (1436, 8928437), (1799, 7126868), (2513, 5101964), (2836, 4520887), (3598, 3563434), (4963, 2583364), (5026, 2550982), (7196, 1781717), (9926, 1291682), (10052, 1275491), (12593, 1018124), (17591, 728852), (19852, 645841), (25186, 509062), (34741, 369052), (35182, 364426), (50372, 254531), (69482, 184526), (70364, 182213), (92263, 138964)]