211210054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{23473}}^1$

素因数の和:23895

約数の個数: 16

約数和(自身を含む): 346476240

約数和(自身を除く): 135266186

約数列:

[1, 2, 11, 22, 409, 818, 4499, 8998, 23473, 46946, 258203, 516406, 9600457, 19200914, 105605027, 211210054]

約数ペア:

[(1, 211210054), (2, 105605027), (11, 19200914), (22, 9600457), (409, 516406), (818, 258203), (4499, 46946), (8998, 23473)]