28386688

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{20161}}^1$

素因数の和:20186

約数の個数: 32

約数和(自身を含む): 61695720

約数和(自身を除く): 33309032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 20161, 40322, 80644, 161288, 221771, 322576, 443542, 645152, 887084, 1290304, 1774168, 2580608, 3548336, 7096672, 14193344, 28386688]

約数ペア:

[(1, 28386688), (2, 14193344), (4, 7096672), (8, 3548336), (11, 2580608), (16, 1774168), (22, 1290304), (32, 887084), (44, 645152), (64, 443542), (88, 322576), (128, 221771), (176, 161288), (352, 80644), (704, 40322), (1408, 20161)]