78671359

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 91309680

約数和(自身を除く): 12638321

約数列:

[1, 13, 17, 139, 169, 197, 221, 1807, 2363, 2561, 2873, 3349, 23491, 27383, 30719, 33293, 43537, 355979, 399347, 465511, 565981, 4627727, 6051643, 78671359]

約数ペア:

[(1, 78671359), (13, 6051643), (17, 4627727), (139, 565981), (169, 465511), (197, 399347), (221, 355979), (1807, 43537), (2363, 33293), (2561, 30719), (2873, 27383), (3349, 23491)]