128387105

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47639}}^1$

素因数の和:47669

約数の個数: 24

約数和(自身を含む): 195514560

約数和(自身を除く): 67127455

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 47639, 238195, 333473, 524029, 1667365, 2334311, 2620145, 3668203, 11671555, 18341015, 25677421, 128387105]

約数ペア:

[(1, 128387105), (5, 25677421), (7, 18341015), (11, 11671555), (35, 3668203), (49, 2620145), (55, 2334311), (77, 1667365), (245, 524029), (385, 333473), (539, 238195), (2695, 47639)]