219012785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3863}}^1$

素因数の和:3937

約数の個数: 32

約数和(自身を含む): 300464640

約数和(自身を除く): 81451855

約数列:

[1, 5, 17, 23, 29, 85, 115, 145, 391, 493, 667, 1955, 2465, 3335, 3863, 11339, 19315, 56695, 65671, 88849, 112027, 328355, 444245, 560135, 1510433, 1904459, 2576621, 7552165, 9522295, 12883105, 43802557, 219012785]

約数ペア:

[(1, 219012785), (5, 43802557), (17, 12883105), (23, 9522295), (29, 7552165), (85, 2576621), (115, 1904459), (145, 1510433), (391, 560135), (493, 444245), (667, 328355), (1955, 112027), (2465, 88849), (3335, 65671), (3863, 56695), (11339, 19315)]