56817689

素因数分解:

${\mathrm{17}}^2\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 18

約数和(自身を含む): 62360910

約数和(自身を除く): 5543221

約数列:

[1, 17, 47, 89, 289, 799, 1513, 2209, 4183, 13583, 25721, 37553, 71111, 196601, 638401, 1208887, 3342217, 56817689]

約数ペア:

[(1, 56817689), (17, 3342217), (47, 1208887), (89, 638401), (289, 196601), (799, 71111), (1513, 37553), (2209, 25721), (4183, 13583)]