28660372

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42397}}^1$

素因数の和:42427

約数の個数: 18

約数和(自身を含む): 54311838

約数和(自身を除く): 25651466

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42397, 84794, 169588, 551161, 1102322, 2204644, 7165093, 14330186, 28660372]

約数ペア:

[(1, 28660372), (2, 14330186), (4, 7165093), (13, 2204644), (26, 1102322), (52, 551161), (169, 169588), (338, 84794), (676, 42397)]