40215707

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 50721792

約数和(自身を除く): 10506085

約数列:

[1, 7, 23, 37, 43, 157, 161, 259, 301, 851, 989, 1099, 1591, 3611, 5809, 5957, 6751, 6923, 11137, 25277, 36593, 40663, 47257, 133607, 155273, 249787, 256151, 935249, 1086911, 1748509, 5745101, 40215707]

約数ペア:

[(1, 40215707), (7, 5745101), (23, 1748509), (37, 1086911), (43, 935249), (157, 256151), (161, 249787), (259, 155273), (301, 133607), (851, 47257), (989, 40663), (1099, 36593), (1591, 25277), (3611, 11137), (5809, 6923), (5957, 6751)]