28105264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 63638784

約数和(自身を除く): 35533520

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 53, 88, 92, 106, 131, 176, 184, 212, 253, 262, 368, 424, 506, 524, 583, 848, 1012, 1048, 1166, 1219, 1441, 2024, 2096, 2332, 2438, 2882, 3013, 4048, 4664, 4876, 5764, 6026, 6943, 9328, 9752, 11528, 12052, 13409, 13886, 19504, 23056, 24104, 26818, 27772, 33143, 48208, 53636, 55544, 66286, 76373, 107272, 111088, 132572, 152746, 159689, 214544, 265144, 305492, 319378, 530288, 610984, 638756, 1221968, 1277512, 1756579, 2555024, 3513158, 7026316, 14052632, 28105264]

約数ペア:

[(1, 28105264), (2, 14052632), (4, 7026316), (8, 3513158), (11, 2555024), (16, 1756579), (22, 1277512), (23, 1221968), (44, 638756), (46, 610984), (53, 530288), (88, 319378), (92, 305492), (106, 265144), (131, 214544), (176, 159689), (184, 152746), (212, 132572), (253, 111088), (262, 107272), (368, 76373), (424, 66286), (506, 55544), (524, 53636), (583, 48208), (848, 33143), (1012, 27772), (1048, 26818), (1166, 24104), (1219, 23056), (1441, 19504), (2024, 13886), (2096, 13409), (2332, 12052), (2438, 11528), (2882, 9752), (3013, 9328), (4048, 6943), (4664, 6026), (4876, 5764)]