4390256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{21107}}^1$

素因数の和:21128

約数の個数: 20

約数和(自身を含む): 9160872

約数和(自身を除く): 4770616

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 21107, 42214, 84428, 168856, 274391, 337712, 548782, 1097564, 2195128, 4390256]

約数ペア:

[(1, 4390256), (2, 2195128), (4, 1097564), (8, 548782), (13, 337712), (16, 274391), (26, 168856), (52, 84428), (104, 42214), (208, 21107)]