81875128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12809}}^1$

素因数の和:12879

約数の個数: 32

約数和(自身を含む): 166017600

約数和(自身を除く): 84142472

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3196, 6392, 12809, 25618, 51236, 102472, 217753, 435506, 602023, 871012, 1204046, 1742024, 2408092, 4816184, 10234391, 20468782, 40937564, 81875128]

約数ペア:

[(1, 81875128), (2, 40937564), (4, 20468782), (8, 10234391), (17, 4816184), (34, 2408092), (47, 1742024), (68, 1204046), (94, 871012), (136, 602023), (188, 435506), (376, 217753), (799, 102472), (1598, 51236), (3196, 25618), (6392, 12809)]