213425278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{76387}}^1$

素因数の和:76527

約数の個数: 16

約数和(自身を含む): 351995904

約数和(自身を除く): 138570626

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 76387, 152774, 840257, 1680514, 9701149, 19402298, 106712639, 213425278]

約数ペア:

[(1, 213425278), (2, 106712639), (11, 19402298), (22, 9701149), (127, 1680514), (254, 840257), (1397, 152774), (2794, 76387)]