641425216

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{10429}}^1$

素因数の和:10503

約数の個数: 42

約数和(自身を含む): 1315337730

約数和(自身を除く): 673912514

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 961, 992, 1922, 1984, 3844, 7688, 10429, 15376, 20858, 30752, 41716, 61504, 83432, 166864, 323299, 333728, 646598, 667456, 1293196, 2586392, 5172784, 10022269, 10345568, 20044538, 20691136, 40089076, 80178152, 160356304, 320712608, 641425216]

約数ペア:

[(1, 641425216), (2, 320712608), (4, 160356304), (8, 80178152), (16, 40089076), (31, 20691136), (32, 20044538), (62, 10345568), (64, 10022269), (124, 5172784), (248, 2586392), (496, 1293196), (961, 667456), (992, 646598), (1922, 333728), (1984, 323299), (3844, 166864), (7688, 83432), (10429, 61504), (15376, 41716), (20858, 30752)]