257994906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3307627}}^1$

素因数の和:3307645

約数の個数: 16

約数和(自身を含む): 555681504

約数和(自身を除く): 297686598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 3307627, 6615254, 9922881, 19845762, 42999151, 85998302, 128997453, 257994906]

約数ペア:

[(1, 257994906), (2, 128997453), (3, 85998302), (6, 42999151), (13, 19845762), (26, 9922881), (39, 6615254), (78, 3307627)]