138840754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{172259}}^1$

素因数の和:172305

約数の個数: 16

約数和(自身を含む): 231517440

約数和(自身を除く): 92676686

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 172259, 344518, 2239367, 4478734, 5340029, 10680058, 69420377, 138840754]

約数ペア:

[(1, 138840754), (2, 69420377), (13, 10680058), (26, 5340029), (31, 4478734), (62, 2239367), (403, 344518), (806, 172259)]