81850672

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{439}}^1$

素因数の和:761

約数の個数: 40

約数和(自身を含む): 163243520

約数和(自身を除く): 81392848

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 271, 344, 439, 542, 688, 878, 1084, 1756, 2168, 3512, 4336, 7024, 11653, 18877, 23306, 37754, 46612, 75508, 93224, 118969, 151016, 186448, 237938, 302032, 475876, 951752, 1903504, 5115667, 10231334, 20462668, 40925336, 81850672]

約数ペア:

[(1, 81850672), (2, 40925336), (4, 20462668), (8, 10231334), (16, 5115667), (43, 1903504), (86, 951752), (172, 475876), (271, 302032), (344, 237938), (439, 186448), (542, 151016), (688, 118969), (878, 93224), (1084, 75508), (1756, 46612), (2168, 37754), (3512, 23306), (4336, 18877), (7024, 11653)]