257861296

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{673}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 625817088

約数和(自身を除く): 367955792

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 311, 616, 622, 673, 1232, 1244, 1346, 2177, 2488, 2692, 3421, 4354, 4711, 4976, 5384, 6842, 7403, 8708, 9422, 10768, 13684, 14806, 17416, 18844, 23947, 27368, 29612, 34832, 37688, 47894, 51821, 54736, 59224, 75376, 95788, 103642, 118448, 191576, 207284, 209303, 383152, 414568, 418606, 829136, 837212, 1465121, 1674424, 2302333, 2930242, 3348848, 4604666, 5860484, 9209332, 11720968, 16116331, 18418664, 23441936, 32232662, 36837328, 64465324, 128930648, 257861296]

約数ペア:

[(1, 257861296), (2, 128930648), (4, 64465324), (7, 36837328), (8, 32232662), (11, 23441936), (14, 18418664), (16, 16116331), (22, 11720968), (28, 9209332), (44, 5860484), (56, 4604666), (77, 3348848), (88, 2930242), (112, 2302333), (154, 1674424), (176, 1465121), (308, 837212), (311, 829136), (616, 418606), (622, 414568), (673, 383152), (1232, 209303), (1244, 207284), (1346, 191576), (2177, 118448), (2488, 103642), (2692, 95788), (3421, 75376), (4354, 59224), (4711, 54736), (4976, 51821), (5384, 47894), (6842, 37688), (7403, 34832), (8708, 29612), (9422, 27368), (10768, 23947), (13684, 18844), (14806, 17416)]