81074608

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{117841}}^1$

素因数の和:117892

約数の個数: 20

約数和(自身を含む): 160736488

約数和(自身を除く): 79661880

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 117841, 235682, 471364, 942728, 1885456, 5067163, 10134326, 20268652, 40537304, 81074608]

約数ペア:

[(1, 81074608), (2, 40537304), (4, 20268652), (8, 10134326), (16, 5067163), (43, 1885456), (86, 942728), (172, 471364), (344, 235682), (688, 117841)]