209525615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 278401536

約数和(自身を除く): 68875921

約数列:

[1, 5, 13, 65, 71, 83, 355, 415, 547, 923, 1079, 2735, 4615, 5395, 5893, 7111, 29465, 35555, 38837, 45401, 76609, 194185, 227005, 383045, 504881, 590213, 2524405, 2951065, 3223471, 16117355, 41905123, 209525615]

約数ペア:

[(1, 209525615), (5, 41905123), (13, 16117355), (65, 3223471), (71, 2951065), (83, 2524405), (355, 590213), (415, 504881), (547, 383045), (923, 227005), (1079, 194185), (2735, 76609), (4615, 45401), (5395, 38837), (5893, 35555), (7111, 29465)]