28049648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1025

約数の個数: 40

約数和(自身を含む): 59661360

約数和(自身を除く): 31611712

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 197, 394, 788, 809, 1576, 1618, 2167, 3152, 3236, 4334, 6472, 8668, 8899, 12944, 17336, 17798, 34672, 35596, 71192, 142384, 159373, 318746, 637492, 1274984, 1753103, 2549968, 3506206, 7012412, 14024824, 28049648]

約数ペア:

[(1, 28049648), (2, 14024824), (4, 7012412), (8, 3506206), (11, 2549968), (16, 1753103), (22, 1274984), (44, 637492), (88, 318746), (176, 159373), (197, 142384), (394, 71192), (788, 35596), (809, 34672), (1576, 17798), (1618, 17336), (2167, 12944), (3152, 8899), (3236, 8668), (4334, 6472)]