219039475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{1759}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 288731520

約数和(自身を除く): 69692045

約数列:

[1, 5, 17, 25, 85, 293, 425, 1465, 1759, 4981, 7325, 8795, 24905, 29903, 43975, 124525, 149515, 515387, 747575, 2576935, 8761579, 12884675, 43807895, 219039475]

約数ペア:

[(1, 219039475), (5, 43807895), (17, 12884675), (25, 8761579), (85, 2576935), (293, 747575), (425, 515387), (1465, 149515), (1759, 124525), (4981, 43975), (7325, 29903), (8795, 24905)]