128855718

素因数分解:

$2^1\times 3^3\times {\mathrm{2386217}}^1$

素因数の和:2386228

約数の個数: 16

約数和(自身を含む): 286346160

約数和(自身を除く): 157490442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2386217, 4772434, 7158651, 14317302, 21475953, 42951906, 64427859, 128855718]

約数ペア:

[(1, 128855718), (2, 64427859), (3, 42951906), (6, 21475953), (9, 14317302), (18, 7158651), (27, 4772434), (54, 2386217)]