201555211

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2467

約数の個数: 32

約数和(自身を含む): 257402880

約数和(自身を除く): 55847669

約数列:

[1, 11, 13, 19, 31, 143, 209, 247, 341, 403, 589, 2393, 2717, 4433, 6479, 7657, 26323, 31109, 45467, 74183, 84227, 342199, 500137, 591071, 816013, 964379, 1409477, 6501781, 10608169, 15504247, 18323201, 201555211]

約数ペア:

[(1, 201555211), (11, 18323201), (13, 15504247), (19, 10608169), (31, 6501781), (143, 1409477), (209, 964379), (247, 816013), (341, 591071), (403, 500137), (589, 342199), (2393, 84227), (2717, 74183), (4433, 45467), (6479, 31109), (7657, 26323)]