208503065

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{1759}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 253608960

約数和(自身を除く): 45105895

約数列:

[1, 5, 151, 157, 755, 785, 1759, 8795, 23707, 118535, 265609, 276163, 1328045, 1380815, 41700613, 208503065]

約数ペア:

[(1, 208503065), (5, 41700613), (151, 1380815), (157, 1328045), (755, 276163), (785, 265609), (1759, 118535), (8795, 23707)]