643902337

素因数分解:

${\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 715298688

約数和(自身を除く): 71396351

約数列:

[1, 13, 71, 103, 169, 521, 923, 1339, 6773, 7313, 11999, 17407, 36991, 53663, 88049, 95069, 480883, 697619, 1235897, 3810073, 6251479, 9069047, 49530949, 643902337]

約数ペア:

[(1, 643902337), (13, 49530949), (71, 9069047), (103, 6251479), (169, 3810073), (521, 1235897), (923, 697619), (1339, 480883), (6773, 95069), (7313, 88049), (11999, 53663), (17407, 36991)]