133456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:466

約数の個数: 20

約数和(自身を含む): 272800

約数和(自身を除く): 139344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 439, 878, 1756, 3512, 7024, 8341, 16682, 33364, 66728, 133456]

約数ペア:

[(1, 133456), (2, 66728), (4, 33364), (8, 16682), (16, 8341), (19, 7024), (38, 3512), (76, 1756), (152, 878), (304, 439)]