28456737

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 41733120

約数和(自身を除く): 13276383

約数列:

[1, 3, 19, 37, 57, 103, 111, 131, 309, 393, 703, 1957, 2109, 2489, 3811, 4847, 5871, 7467, 11433, 13493, 14541, 40479, 72409, 92093, 217227, 256367, 276279, 499241, 769101, 1497723, 9485579, 28456737]

約数ペア:

[(1, 28456737), (3, 9485579), (19, 1497723), (37, 769101), (57, 499241), (103, 276279), (111, 256367), (131, 217227), (309, 92093), (393, 72409), (703, 40479), (1957, 14541), (2109, 13493), (2489, 11433), (3811, 7467), (4847, 5871)]