66750719

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2213}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 79349760

約数和(自身を除く): 12599041

約数列:

[1, 7, 31, 139, 217, 973, 2213, 4309, 15491, 30163, 68603, 307607, 480221, 2153249, 9535817, 66750719]

約数ペア:

[(1, 66750719), (7, 9535817), (31, 2153249), (139, 480221), (217, 307607), (973, 68603), (2213, 30163), (4309, 15491)]