249559984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{820921}}^1$

素因数の和:820948

約数の個数: 20

約数和(自身を含む): 508971640

約数和(自身を除く): 259411656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 820921, 1641842, 3283684, 6567368, 13134736, 15597499, 31194998, 62389996, 124779992, 249559984]

約数ペア:

[(1, 249559984), (2, 124779992), (4, 62389996), (8, 31194998), (16, 15597499), (19, 13134736), (38, 6567368), (76, 3283684), (152, 1641842), (304, 820921)]