221445973

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{1861}}^1$

素因数の和:2148

約数の個数: 16

約数和(自身を含む): 257402880

約数和(自身を除く): 35956907

約数列:

[1, 7, 89, 191, 623, 1337, 1861, 13027, 16999, 118993, 165629, 355451, 1159403, 2488157, 31635139, 221445973]

約数ペア:

[(1, 221445973), (7, 31635139), (89, 2488157), (191, 1159403), (623, 355451), (1337, 165629), (1861, 118993), (13027, 16999)]