28787710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{411253}}^1$

素因数の和:411267

約数の個数: 16

約数和(自身を含む): 59220576

約数和(自身を除く): 30432866

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 411253, 822506, 2056265, 2878771, 4112530, 5757542, 14393855, 28787710]

約数ペア:

[(1, 28787710), (2, 14393855), (5, 5757542), (7, 4112530), (10, 2878771), (14, 2056265), (35, 822506), (70, 411253)]