208855185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{857}}^1$

素因数の和:1094

約数の個数: 64

約数和(自身を含む): 419088384

約数和(自身を除く): 210233199

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 211, 231, 385, 633, 857, 1055, 1155, 1477, 2321, 2571, 3165, 4285, 4431, 5999, 6963, 7385, 9427, 11605, 12855, 16247, 17997, 22155, 28281, 29995, 34815, 47135, 48741, 65989, 81235, 89985, 141405, 180827, 197967, 243705, 329945, 542481, 904135, 989835, 1265789, 1989097, 2712405, 3797367, 5967291, 6328945, 9945485, 13923679, 18986835, 29836455, 41771037, 69618395, 208855185]

約数ペア:

[(1, 208855185), (3, 69618395), (5, 41771037), (7, 29836455), (11, 18986835), (15, 13923679), (21, 9945485), (33, 6328945), (35, 5967291), (55, 3797367), (77, 2712405), (105, 1989097), (165, 1265789), (211, 989835), (231, 904135), (385, 542481), (633, 329945), (857, 243705), (1055, 197967), (1155, 180827), (1477, 141405), (2321, 89985), (2571, 81235), (3165, 65989), (4285, 48741), (4431, 47135), (5999, 34815), (6963, 29995), (7385, 28281), (9427, 22155), (11605, 17997), (12855, 16247)]