217088509

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 260467200

約数和(自身を除く): 43378691

約数列:

[1, 11, 19, 37, 67, 209, 407, 419, 703, 737, 1273, 2479, 4609, 7733, 7961, 14003, 15503, 27269, 28073, 47101, 87571, 170533, 294557, 308803, 518111, 533387, 1038701, 3240127, 5867257, 11425711, 19735319, 217088509]

約数ペア:

[(1, 217088509), (11, 19735319), (19, 11425711), (37, 5867257), (67, 3240127), (209, 1038701), (407, 533387), (419, 518111), (703, 308803), (737, 294557), (1273, 170533), (2479, 87571), (4609, 47101), (7733, 28073), (7961, 27269), (14003, 15503)]