28769828

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{769}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 51744000

約数和(自身を除く): 22974172

約数列:

[1, 2, 4, 47, 94, 188, 199, 398, 769, 796, 1538, 3076, 9353, 18706, 36143, 37412, 72286, 144572, 153031, 306062, 612124, 7192457, 14384914, 28769828]

約数ペア:

[(1, 28769828), (2, 14384914), (4, 7192457), (47, 612124), (94, 306062), (188, 153031), (199, 144572), (398, 72286), (769, 37412), (796, 36143), (1538, 18706), (3076, 9353)]