7940681

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 10272768

約数和(自身を除く): 2332087

約数列:

[1, 7, 23, 31, 37, 43, 161, 217, 259, 301, 713, 851, 989, 1147, 1333, 1591, 4991, 5957, 6923, 8029, 9331, 11137, 26381, 30659, 36593, 49321, 184667, 214613, 256151, 345247, 1134383, 7940681]

約数ペア:

[(1, 7940681), (7, 1134383), (23, 345247), (31, 256151), (37, 214613), (43, 184667), (161, 49321), (217, 36593), (259, 30659), (301, 26381), (713, 11137), (851, 9331), (989, 8029), (1147, 6923), (1333, 5957), (1591, 4991)]