28003928

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{66047}}^1$

素因数の和:66106

約数の個数: 16

約数和(自身を含む): 53498880

約数和(自身を除く): 25494952

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 66047, 132094, 264188, 528376, 3500491, 7000982, 14001964, 28003928]

約数ペア:

[(1, 28003928), (2, 14001964), (4, 7000982), (8, 3500491), (53, 528376), (106, 264188), (212, 132094), (424, 66047)]