257566986

素因数分解:

$2^1\times 3^3\times {\mathrm{4769759}}^1$

素因数の和:4769770

約数の個数: 16

約数和(自身を含む): 572371200

約数和(自身を除く): 314804214

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 4769759, 9539518, 14309277, 28618554, 42927831, 85855662, 128783493, 257566986]

約数ペア:

[(1, 257566986), (2, 128783493), (3, 85855662), (6, 42927831), (9, 28618554), (18, 14309277), (27, 9539518), (54, 4769759)]