257561856

素因数分解:

$2^8\times 3^4\times {\mathrm{12421}}^1$

素因数の和:12449

約数の個数: 90

約数和(自身を含む): 768064682

約数和(自身を除く): 510502826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 1152, 1296, 1728, 2304, 2592, 3456, 5184, 6912, 10368, 12421, 20736, 24842, 37263, 49684, 74526, 99368, 111789, 149052, 198736, 223578, 298104, 335367, 397472, 447156, 596208, 670734, 794944, 894312, 1006101, 1192416, 1341468, 1589888, 1788624, 2012202, 2384832, 2682936, 3179776, 3577248, 4024404, 4769664, 5365872, 7154496, 8048808, 9539328, 10731744, 14308992, 16097616, 21463488, 28617984, 32195232, 42926976, 64390464, 85853952, 128780928, 257561856]

約数ペア:

[(1, 257561856), (2, 128780928), (3, 85853952), (4, 64390464), (6, 42926976), (8, 32195232), (9, 28617984), (12, 21463488), (16, 16097616), (18, 14308992), (24, 10731744), (27, 9539328), (32, 8048808), (36, 7154496), (48, 5365872), (54, 4769664), (64, 4024404), (72, 3577248), (81, 3179776), (96, 2682936), (108, 2384832), (128, 2012202), (144, 1788624), (162, 1589888), (192, 1341468), (216, 1192416), (256, 1006101), (288, 894312), (324, 794944), (384, 670734), (432, 596208), (576, 447156), (648, 397472), (768, 335367), (864, 298104), (1152, 223578), (1296, 198736), (1728, 149052), (2304, 111789), (2592, 99368), (3456, 74526), (5184, 49684), (6912, 37263), (10368, 24842), (12421, 20736)]