81729956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{599}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 179020800

約数和(自身を除く): 97290844

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 443, 599, 886, 1198, 1772, 2396, 3101, 4193, 4873, 6202, 6589, 8386, 9746, 12404, 13178, 16772, 19492, 26356, 34111, 46123, 68222, 92246, 136444, 184492, 265357, 530714, 1061428, 1857499, 2918927, 3714998, 5837854, 7429996, 11675708, 20432489, 40864978, 81729956]

約数ペア:

[(1, 81729956), (2, 40864978), (4, 20432489), (7, 11675708), (11, 7429996), (14, 5837854), (22, 3714998), (28, 2918927), (44, 1857499), (77, 1061428), (154, 530714), (308, 265357), (443, 184492), (599, 136444), (886, 92246), (1198, 68222), (1772, 46123), (2396, 34111), (3101, 26356), (4193, 19492), (4873, 16772), (6202, 13178), (6589, 12404), (8386, 9746)]