257605038

素因数分解:

$2^1\times 3^2\times {\mathrm{14311391}}^1$

素因数の和:14311399

約数の個数: 12

約数和(自身を含む): 558144288

約数和(自身を除く): 300539250

約数列:

[1, 2, 3, 6, 9, 18, 14311391, 28622782, 42934173, 85868346, 128802519, 257605038]

約数ペア:

[(1, 257605038), (2, 128802519), (3, 85868346), (6, 42934173), (9, 28622782), (18, 14311391)]