249996544

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1$

素因数の和:2371

約数の個数: 72

約数和(自身を含む): 579907328

約数和(自身を除く): 329910784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 854, 896, 976, 1708, 1792, 1952, 2287, 3416, 3904, 4574, 6832, 7808, 9148, 13664, 15616, 16009, 18296, 27328, 32018, 36592, 54656, 64036, 73184, 109312, 128072, 139507, 146368, 256144, 279014, 292736, 512288, 558028, 585472, 976549, 1024576, 1116056, 1953098, 2049152, 2232112, 3906196, 4098304, 4464224, 7812392, 8928448, 15624784, 17856896, 31249568, 35713792, 62499136, 124998272, 249996544]

約数ペア:

[(1, 249996544), (2, 124998272), (4, 62499136), (7, 35713792), (8, 31249568), (14, 17856896), (16, 15624784), (28, 8928448), (32, 7812392), (56, 4464224), (61, 4098304), (64, 3906196), (112, 2232112), (122, 2049152), (128, 1953098), (224, 1116056), (244, 1024576), (256, 976549), (427, 585472), (448, 558028), (488, 512288), (854, 292736), (896, 279014), (976, 256144), (1708, 146368), (1792, 139507), (1952, 128072), (2287, 109312), (3416, 73184), (3904, 64036), (4574, 54656), (6832, 36592), (7808, 32018), (9148, 27328), (13664, 18296), (15616, 16009)]