64775893

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 82880000

約数和(自身を除く): 18104107

約数列:

[1, 7, 13, 49, 73, 91, 199, 343, 511, 637, 949, 1393, 2587, 3577, 4459, 6643, 9751, 14527, 18109, 25039, 46501, 68257, 101689, 126763, 188851, 325507, 711823, 887341, 1321957, 4982761, 9253699, 64775893]

約数ペア:

[(1, 64775893), (7, 9253699), (13, 4982761), (49, 1321957), (73, 887341), (91, 711823), (199, 325507), (343, 188851), (511, 126763), (637, 101689), (949, 68257), (1393, 46501), (2587, 25039), (3577, 18109), (4459, 14527), (6643, 9751)]