278345824

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{487}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 561139488

約数和(自身を除く): 282793664

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 337, 424, 487, 674, 848, 974, 1348, 1696, 1948, 2696, 3896, 5392, 7792, 10784, 15584, 17861, 25811, 35722, 51622, 71444, 103244, 142888, 164119, 206488, 285776, 328238, 412976, 571552, 656476, 825952, 1312952, 2625904, 5251808, 8698307, 17396614, 34793228, 69586456, 139172912, 278345824]

約数ペア:

[(1, 278345824), (2, 139172912), (4, 69586456), (8, 34793228), (16, 17396614), (32, 8698307), (53, 5251808), (106, 2625904), (212, 1312952), (337, 825952), (424, 656476), (487, 571552), (674, 412976), (848, 328238), (974, 285776), (1348, 206488), (1696, 164119), (1948, 142888), (2696, 103244), (3896, 71444), (5392, 51622), (7792, 35722), (10784, 25811), (15584, 17861)]