86721895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 116520768

約数和(自身を除く): 29798873

約数列:

[1, 5, 13, 37, 65, 107, 185, 337, 481, 535, 1391, 1685, 2405, 3959, 4381, 6955, 12469, 19795, 21905, 36059, 51467, 62345, 162097, 180295, 257335, 468767, 810485, 1334183, 2343835, 6670915, 17344379, 86721895]

約数ペア:

[(1, 86721895), (5, 17344379), (13, 6670915), (37, 2343835), (65, 1334183), (107, 810485), (185, 468767), (337, 257335), (481, 180295), (535, 162097), (1391, 62345), (1685, 51467), (2405, 36059), (3959, 21905), (4381, 19795), (6955, 12469)]