220778492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{38303}}^1$

素因数の和:38449

約数の個数: 24

約数和(自身を含む): 424714752

約数和(自身を除く): 203936260

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 5764, 38303, 76606, 153212, 421333, 842666, 1685332, 5017693, 10035386, 20070772, 55194623, 110389246, 220778492]

約数ペア:

[(1, 220778492), (2, 110389246), (4, 55194623), (11, 20070772), (22, 10035386), (44, 5017693), (131, 1685332), (262, 842666), (524, 421333), (1441, 153212), (2882, 76606), (5764, 38303)]