2491705321

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2633}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 3034368000

約数和(自身を除く): 542662679

約数列:

[1, 7, 31, 49, 89, 217, 343, 623, 1519, 2633, 2759, 4361, 10633, 18431, 19313, 30527, 81623, 129017, 135191, 234337, 571361, 903119, 946337, 1640359, 3999527, 7264447, 11482513, 27996689, 50851129, 80377591, 355957903, 2491705321]

約数ペア:

[(1, 2491705321), (7, 355957903), (31, 80377591), (49, 50851129), (89, 27996689), (217, 11482513), (343, 7264447), (623, 3999527), (1519, 1640359), (2633, 946337), (2759, 903119), (4361, 571361), (10633, 234337), (18431, 135191), (19313, 129017), (30527, 81623)]