218628146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{22637}}^1$

素因数の和:23089

約数の個数: 16

約数和(自身を含む): 358585920

約数和(自身を除く): 139957774

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 22637, 45274, 249007, 498014, 9937643, 19875286, 109314073, 218628146]

約数ペア:

[(1, 218628146), (2, 109314073), (11, 19875286), (22, 9937643), (439, 498014), (878, 249007), (4829, 45274), (9658, 22637)]