31205892011

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{20551}}^1$

素因数の和:20824

約数の個数: 32

約数和(自身を含む): 38473344000

約数和(自身を除く): 7267451989

約数列:

[1, 7, 19, 49, 133, 233, 343, 931, 1631, 4427, 6517, 11417, 20551, 30989, 79919, 143857, 216923, 390469, 1006999, 1518461, 2733283, 4788383, 7048993, 19132981, 33518681, 90979277, 133930867, 234630767, 636854939, 1642415369, 4457984573, 31205892011]

約数ペア:

[(1, 31205892011), (7, 4457984573), (19, 1642415369), (49, 636854939), (133, 234630767), (233, 133930867), (343, 90979277), (931, 33518681), (1631, 19132981), (4427, 7048993), (6517, 4788383), (11417, 2733283), (20551, 1518461), (30989, 1006999), (79919, 390469), (143857, 216923)]