667942736

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{970847}}^1$

素因数の和:970898

約数の個数: 20

約数和(自身を含む): 1324236672

約数和(自身を除く): 656293936

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 970847, 1941694, 3883388, 7766776, 15533552, 41746421, 83492842, 166985684, 333971368, 667942736]

約数ペア:

[(1, 667942736), (2, 333971368), (4, 166985684), (8, 83492842), (16, 41746421), (43, 15533552), (86, 7766776), (172, 3883388), (344, 1941694), (688, 970847)]