81328044

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19759}}^1$

素因数の和:19787

約数の個数: 48

約数和(自身を含む): 221312000

約数和(自身を除く): 139983956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 19759, 39518, 59277, 79036, 118554, 138313, 237108, 276626, 414939, 553252, 829878, 968191, 1659756, 1936382, 2904573, 3872764, 5809146, 6777337, 11618292, 13554674, 20332011, 27109348, 40664022, 81328044]

約数ペア:

[(1, 81328044), (2, 40664022), (3, 27109348), (4, 20332011), (6, 13554674), (7, 11618292), (12, 6777337), (14, 5809146), (21, 3872764), (28, 2904573), (42, 1936382), (49, 1659756), (84, 968191), (98, 829878), (147, 553252), (196, 414939), (294, 276626), (343, 237108), (588, 138313), (686, 118554), (1029, 79036), (1372, 59277), (2058, 39518), (4116, 19759)]