201923645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 313528320

約数和(自身を除く): 111604675

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 83, 89, 355, 385, 415, 445, 497, 581, 623, 781, 913, 979, 2485, 2905, 3115, 3905, 4565, 4895, 5467, 5893, 6319, 6391, 6853, 7387, 27335, 29465, 31595, 31955, 34265, 36935, 41251, 44233, 51709, 64823, 69509, 81257, 206255, 221165, 258545, 324115, 347545, 406285, 453761, 486563, 524477, 568799, 2268805, 2432815, 2622385, 2843995, 3671339, 5769247, 18356695, 28846235, 40384729, 201923645]

約数ペア:

[(1, 201923645), (5, 40384729), (7, 28846235), (11, 18356695), (35, 5769247), (55, 3671339), (71, 2843995), (77, 2622385), (83, 2432815), (89, 2268805), (355, 568799), (385, 524477), (415, 486563), (445, 453761), (497, 406285), (581, 347545), (623, 324115), (781, 258545), (913, 221165), (979, 206255), (2485, 81257), (2905, 69509), (3115, 64823), (3905, 51709), (4565, 44233), (4895, 41251), (5467, 36935), (5893, 34265), (6319, 31955), (6391, 31595), (6853, 29465), (7387, 27335)]