217420806956

素因数分解:

$2^2\times {\mathrm{79811}}^1\times {\mathrm{681049}}^1$

素因数の和:760864

約数の個数: 12

約数和(自身を含む): 380491738200

約数和(自身を除く): 163070931244

約数列:

[1, 2, 4, 79811, 159622, 319244, 681049, 1362098, 2724196, 54355201739, 108710403478, 217420806956]

約数ペア:

[(1, 217420806956), (2, 108710403478), (4, 54355201739), (79811, 2724196), (159622, 1362098), (319244, 681049)]