28605269

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 36848448

約数和(自身を除く): 8243179

約数列:

[1, 7, 11, 49, 73, 77, 511, 539, 727, 803, 3577, 5089, 5621, 7997, 35623, 39347, 53071, 55979, 371497, 391853, 583781, 2600479, 4086467, 28605269]

約数ペア:

[(1, 28605269), (7, 4086467), (11, 2600479), (49, 583781), (73, 391853), (77, 371497), (511, 55979), (539, 53071), (727, 39347), (803, 35623), (3577, 7997), (5089, 5621)]