257029486

素因数分解:

$2^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{41443}}^1$

素因数の和:41895

約数の個数: 16

約数和(自身を含む): 441627264

約数和(自身を除く): 184597778

約数列:

[1, 2, 7, 14, 443, 886, 3101, 6202, 41443, 82886, 290101, 580202, 18359249, 36718498, 128514743, 257029486]

約数ペア:

[(1, 257029486), (2, 128514743), (7, 36718498), (14, 18359249), (443, 580202), (886, 290101), (3101, 82886), (6202, 41443)]