256531392

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{34259}}^1$

素因数の和:34290

約数の個数: 84

約数和(自身を含む): 791885640

約数和(自身を除く): 535354248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 192, 208, 234, 288, 312, 416, 468, 576, 624, 832, 936, 1248, 1872, 2496, 3744, 7488, 34259, 68518, 102777, 137036, 205554, 274072, 308331, 411108, 445367, 548144, 616662, 822216, 890734, 1096288, 1233324, 1336101, 1644432, 1781468, 2192576, 2466648, 2672202, 3288864, 3562936, 4008303, 4933296, 5344404, 6577728, 7125872, 8016606, 9866592, 10688808, 14251744, 16033212, 19733184, 21377616, 28503488, 32066424, 42755232, 64132848, 85510464, 128265696, 256531392]

約数ペア:

[(1, 256531392), (2, 128265696), (3, 85510464), (4, 64132848), (6, 42755232), (8, 32066424), (9, 28503488), (12, 21377616), (13, 19733184), (16, 16033212), (18, 14251744), (24, 10688808), (26, 9866592), (32, 8016606), (36, 7125872), (39, 6577728), (48, 5344404), (52, 4933296), (64, 4008303), (72, 3562936), (78, 3288864), (96, 2672202), (104, 2466648), (117, 2192576), (144, 1781468), (156, 1644432), (192, 1336101), (208, 1233324), (234, 1096288), (288, 890734), (312, 822216), (416, 616662), (468, 548144), (576, 445367), (624, 411108), (832, 308331), (936, 274072), (1248, 205554), (1872, 137036), (2496, 102777), (3744, 68518), (7488, 34259)]