257380284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71257}}^1$

素因数の和:71314

約数の個数: 48

約数和(自身を含む): 702318848

約数和(自身を除く): 444938564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 71257, 142514, 213771, 285028, 427542, 498799, 855084, 997598, 1496397, 1995196, 2992794, 3064051, 5985588, 6128102, 9192153, 12256204, 18384306, 21448357, 36768612, 42896714, 64345071, 85793428, 128690142, 257380284]

約数ペア:

[(1, 257380284), (2, 128690142), (3, 85793428), (4, 64345071), (6, 42896714), (7, 36768612), (12, 21448357), (14, 18384306), (21, 12256204), (28, 9192153), (42, 6128102), (43, 5985588), (84, 3064051), (86, 2992794), (129, 1995196), (172, 1496397), (258, 997598), (301, 855084), (516, 498799), (602, 427542), (903, 285028), (1204, 213771), (1806, 142514), (3612, 71257)]