638804802

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{765953}}^1$

素因数の和:766097

約数の個数: 16

約数和(自身を含む): 1286802720

約数和(自身を除く): 647997918

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 765953, 1531906, 2297859, 4595718, 106467467, 212934934, 319402401, 638804802]

約数ペア:

[(1, 638804802), (2, 319402401), (3, 212934934), (6, 106467467), (139, 4595718), (278, 2297859), (417, 1531906), (834, 765953)]