257424526

素因数分解:

$2^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1\times {\mathrm{1621}}^1$

素因数の和:2187

約数の個数: 16

約数和(自身を含む): 389124288

約数和(自身を除く): 131699762

約数列:

[1, 2, 271, 293, 542, 586, 1621, 3242, 79403, 158806, 439291, 474953, 878582, 949906, 128712263, 257424526]

約数ペア:

[(1, 257424526), (2, 128712263), (271, 949906), (293, 878582), (542, 474953), (586, 439291), (1621, 158806), (3242, 79403)]