664683856

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{173819}}^1$

素因数の和:174066

約数の個数: 20

約数和(自身を含む): 1293220800

約数和(自身を除く): 628536944

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 173819, 347638, 695276, 1390552, 2781104, 41542741, 83085482, 166170964, 332341928, 664683856]

約数ペア:

[(1, 664683856), (2, 332341928), (4, 166170964), (8, 83085482), (16, 41542741), (239, 2781104), (478, 1390552), (956, 695276), (1912, 347638), (3824, 173819)]