257850004

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{2777}}^1$

素因数の和:3087

約数の個数: 24

約数和(自身を含む): 457369920

約数和(自身を除く): 199519916

約数列:

[1, 2, 4, 139, 167, 278, 334, 556, 668, 2777, 5554, 11108, 23213, 46426, 92852, 386003, 463759, 772006, 927518, 1544012, 1855036, 64462501, 128925002, 257850004]

約数ペア:

[(1, 257850004), (2, 128925002), (4, 64462501), (139, 1855036), (167, 1544012), (278, 927518), (334, 772006), (556, 463759), (668, 386003), (2777, 92852), (5554, 46426), (11108, 23213)]