28285136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{160711}}^1$

素因数の和:160730

約数の個数: 20

約数和(自身を含む): 59784864

約数和(自身を除く): 31499728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 160711, 321422, 642844, 1285688, 1767821, 2571376, 3535642, 7071284, 14142568, 28285136]

約数ペア:

[(1, 28285136), (2, 14142568), (4, 7071284), (8, 3535642), (11, 2571376), (16, 1767821), (22, 1285688), (44, 642844), (88, 321422), (176, 160711)]