640970295085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{106208831}}^1$

素因数の和:106208924

約数の個数: 16

約数和(自身を含む): 825879877632

約数和(自身を除く): 184909582547

約数列:

[1, 5, 17, 71, 85, 355, 1207, 6035, 106208831, 531044155, 1805550127, 7540827001, 9027750635, 37704135005, 128194059017, 640970295085]

約数ペア:

[(1, 640970295085), (5, 128194059017), (17, 37704135005), (71, 9027750635), (85, 7540827001), (355, 1805550127), (1207, 531044155), (6035, 106208831)]