256742689

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{3221}}^1$

素因数の和:3480

約数の個数: 16

約数和(自身を含む): 300032640

約数和(自身を除く): 43289951

約数列:

[1, 7, 59, 193, 413, 1351, 3221, 11387, 22547, 79709, 190039, 621653, 1330273, 4351571, 36677527, 256742689]

約数ペア:

[(1, 256742689), (7, 36677527), (59, 4351571), (193, 1330273), (413, 621653), (1351, 190039), (3221, 79709), (11387, 22547)]