259640035

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 341637120

約数和(自身を除く): 81997085

約数列:

[1, 5, 19, 31, 95, 131, 155, 589, 655, 673, 2489, 2945, 3365, 4061, 12445, 12787, 20305, 20863, 63935, 77159, 88163, 104315, 385795, 396397, 440815, 1675097, 1981985, 2733053, 8375485, 13665265, 51928007, 259640035]

約数ペア:

[(1, 259640035), (5, 51928007), (19, 13665265), (31, 8375485), (95, 2733053), (131, 1981985), (155, 1675097), (589, 440815), (655, 396397), (673, 385795), (2489, 104315), (2945, 88163), (3365, 77159), (4061, 63935), (12445, 20863), (12787, 20305)]