2019978275

素因数分解:

$5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{66721}}^1$

素因数の和:66911

約数の個数: 24

約数和(自身を含む): 2879187744

約数和(自身を除く): 859209469

約数列:

[1, 5, 7, 25, 35, 173, 175, 865, 1211, 4325, 6055, 30275, 66721, 333605, 467047, 1668025, 2335235, 11542733, 11676175, 57713665, 80799131, 288568325, 403995655, 2019978275]

約数ペア:

[(1, 2019978275), (5, 403995655), (7, 288568325), (25, 80799131), (35, 57713665), (173, 11676175), (175, 11542733), (865, 2335235), (1211, 1668025), (4325, 467047), (6055, 333605), (30275, 66721)]