67007984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{220421}}^1$

素因数の和:220448

約数の個数: 20

約数和(自身を含む): 136661640

約数和(自身を除く): 69653656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 220421, 440842, 881684, 1763368, 3526736, 4187999, 8375998, 16751996, 33503992, 67007984]

約数ペア:

[(1, 67007984), (2, 33503992), (4, 16751996), (8, 8375998), (16, 4187999), (19, 3526736), (38, 1763368), (76, 881684), (152, 440842), (304, 220421)]