201395155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 275365440

約数和(自身を除く): 73970285

約数列:

[1, 5, 13, 19, 65, 95, 247, 313, 521, 1235, 1565, 2605, 4069, 5947, 6773, 9899, 20345, 29735, 33865, 49495, 77311, 128687, 163073, 386555, 643435, 815365, 2119949, 3098387, 10599745, 15491935, 40279031, 201395155]

約数ペア:

[(1, 201395155), (5, 40279031), (13, 15491935), (19, 10599745), (65, 3098387), (95, 2119949), (247, 815365), (313, 643435), (521, 386555), (1235, 163073), (1565, 128687), (2605, 77311), (4069, 49495), (5947, 33865), (6773, 29735), (9899, 20345)]