2016457328

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{639739}}^1$

素因数の和:639944

約数の個数: 20

約数和(自身を含む): 3926724120

約数和(自身を除く): 1910266792

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 639739, 1279478, 2558956, 5117912, 10235824, 126028583, 252057166, 504114332, 1008228664, 2016457328]

約数ペア:

[(1, 2016457328), (2, 1008228664), (4, 504114332), (8, 252057166), (16, 126028583), (197, 10235824), (394, 5117912), (788, 2558956), (1576, 1279478), (3152, 639739)]