257105718

素因数分解:

$2^1\times 3^3\times {\mathrm{4761217}}^1$

素因数の和:4761228

約数の個数: 16

約数和(自身を含む): 571346160

約数和(自身を除く): 314240442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 4761217, 9522434, 14283651, 28567302, 42850953, 85701906, 128552859, 257105718]

約数ペア:

[(1, 257105718), (2, 128552859), (3, 85701906), (6, 42850953), (9, 28567302), (18, 14283651), (27, 9522434), (54, 4761217)]