81174418

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{1753}}^1$

素因数の和:1918

約数の個数: 24

約数和(自身を含む): 132886548

約数和(自身を除く): 51712130

約数列:

[1, 2, 13, 26, 137, 169, 274, 338, 1753, 1781, 3506, 3562, 22789, 23153, 45578, 46306, 240161, 296257, 480322, 592514, 3122093, 6244186, 40587209, 81174418]

約数ペア:

[(1, 81174418), (2, 40587209), (13, 6244186), (26, 3122093), (137, 592514), (169, 480322), (274, 296257), (338, 240161), (1753, 46306), (1781, 45578), (3506, 23153), (3562, 22789)]