209021113246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{220952551}}^1$

素因数の和:220952607

約数の個数: 16

約数和(自身を含む): 349988842368

約数和(自身を除く): 140967729122

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 220952551, 441905102, 2430478061, 4860956122, 9500959693, 19001919386, 104510556623, 209021113246]

約数ペア:

[(1, 209021113246), (2, 104510556623), (11, 19001919386), (22, 9500959693), (43, 4860956122), (86, 2430478061), (473, 441905102), (946, 220952551)]