2158166927

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{9949}}^1$

素因数の和:10215

約数の個数: 24

約数和(自身を含む): 2654262000

約数和(自身を除く): 496095073

約数列:

[1, 7, 19, 49, 133, 233, 931, 1631, 4427, 9949, 11417, 30989, 69643, 189031, 216923, 487501, 1323217, 2318117, 9262519, 16226819, 44044223, 113587733, 308309561, 2158166927]

約数ペア:

[(1, 2158166927), (7, 308309561), (19, 113587733), (49, 44044223), (133, 16226819), (233, 9262519), (931, 2318117), (1631, 1323217), (4427, 487501), (9949, 216923), (11417, 189031), (30989, 69643)]