20161611128

素因数分解:

$2^3\times {\mathrm{1109}}^1\times {\mathrm{2272499}}^1$

素因数の和:2273614

約数の個数: 16

約数和(自身を含む): 37837125000

約数和(自身を除く): 17675513872

約数列:

[1, 2, 4, 8, 1109, 2218, 4436, 8872, 2272499, 4544998, 9089996, 18179992, 2520201391, 5040402782, 10080805564, 20161611128]

約数ペア:

[(1, 20161611128), (2, 10080805564), (4, 5040402782), (8, 2520201391), (1109, 18179992), (2218, 9089996), (4436, 4544998), (8872, 2272499)]