217478149

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{2213}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 252927360

約数和(自身を除く): 35449211

約数列:

[1, 7, 101, 139, 707, 973, 2213, 14039, 15491, 98273, 223513, 307607, 1564591, 2153249, 31068307, 217478149]

約数ペア:

[(1, 217478149), (7, 31068307), (101, 2153249), (139, 1564591), (707, 307607), (973, 223513), (2213, 98273), (14039, 15491)]