78760784

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{45161}}^1$

素因数の和:45278

約数の個数: 20

約数和(自身を含む): 154002420

約数和(自身を除く): 75241636

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 45161, 90322, 180644, 361288, 722576, 4922549, 9845098, 19690196, 39380392, 78760784]

約数ペア:

[(1, 78760784), (2, 39380392), (4, 19690196), (8, 9845098), (16, 4922549), (109, 722576), (218, 361288), (436, 180644), (872, 90322), (1744, 45161)]