25639578

素因数分解:

$2^1\times 3^4\times {\mathrm{158269}}^1$

素因数の和:158283

約数の個数: 20

約数和(自身を含む): 57452010

約数和(自身を除く): 31812432

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 158269, 316538, 474807, 949614, 1424421, 2848842, 4273263, 8546526, 12819789, 25639578]

約数ペア:

[(1, 25639578), (2, 12819789), (3, 8546526), (6, 4273263), (9, 2848842), (18, 1424421), (27, 949614), (54, 474807), (81, 316538), (162, 158269)]