129606256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{623107}}^1$

素因数の和:623128

約数の個数: 20

約数和(自身を含む): 270428872

約数和(自身を除く): 140822616

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 623107, 1246214, 2492428, 4984856, 8100391, 9969712, 16200782, 32401564, 64803128, 129606256]

約数ペア:

[(1, 129606256), (2, 64803128), (4, 32401564), (8, 16200782), (13, 9969712), (16, 8100391), (26, 4984856), (52, 2492428), (104, 1246214), (208, 623107)]