28257328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{160553}}^1$

素因数の和:160572

約数の個数: 20

約数和(自身を含む): 59726088

約数和(自身を除く): 31468760

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 160553, 321106, 642212, 1284424, 1766083, 2568848, 3532166, 7064332, 14128664, 28257328]

約数ペア:

[(1, 28257328), (2, 14128664), (4, 7064332), (8, 3532166), (11, 2568848), (16, 1766083), (22, 1284424), (44, 642212), (88, 321106), (176, 160553)]