128895252

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{249797}}^1$

素因数の和:249847

約数の個数: 24

約数和(自身を含む): 307751136

約数和(自身を除く): 178855884

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 249797, 499594, 749391, 999188, 1498782, 2997564, 10741271, 21482542, 32223813, 42965084, 64447626, 128895252]

約数ペア:

[(1, 128895252), (2, 64447626), (3, 42965084), (4, 32223813), (6, 21482542), (12, 10741271), (43, 2997564), (86, 1498782), (129, 999188), (172, 749391), (258, 499594), (516, 249797)]