28561328

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{5393}}^1$

素因数の和:5732

約数の個数: 20

約数和(自身を含む): 55515048

約数和(自身を除く): 26953720

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 5393, 10786, 21572, 43144, 86288, 1785083, 3570166, 7140332, 14280664, 28561328]

約数ペア:

[(1, 28561328), (2, 14280664), (4, 7140332), (8, 3570166), (16, 1785083), (331, 86288), (662, 43144), (1324, 21572), (2648, 10786), (5296, 5393)]