211049615

素因数分解:

$5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1264

約数の個数: 32

約数和(自身を含む): 298320000

約数和(自身を除く): 87270385

約数列:

[1, 5, 7, 35, 49, 109, 245, 343, 545, 763, 1129, 1715, 3815, 5341, 5645, 7903, 26705, 37387, 39515, 55321, 123061, 186935, 276605, 387247, 615305, 861427, 1936235, 4307135, 6029989, 30149945, 42209923, 211049615]

約数ペア:

[(1, 211049615), (5, 42209923), (7, 30149945), (35, 6029989), (49, 4307135), (109, 1936235), (245, 861427), (343, 615305), (545, 387247), (763, 276605), (1129, 186935), (1715, 123061), (3815, 55321), (5341, 39515), (5645, 37387), (7903, 26705)]