138871564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{19213}}^1$

素因数の和:19369

約数の個数: 24

約数和(自身を含む): 263616080

約数和(自身を除く): 124744516

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 19213, 38426, 76852, 249769, 499538, 999076, 2670607, 5341214, 10682428, 34717891, 69435782, 138871564]

約数ペア:

[(1, 138871564), (2, 69435782), (4, 34717891), (13, 10682428), (26, 5341214), (52, 2670607), (139, 999076), (278, 499538), (556, 249769), (1807, 76852), (3614, 38426), (7228, 19213)]