217888996871

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1\times {\mathrm{65713}}^1$

素因数の和:66255

約数の個数: 32

約数和(自身を含む): 272024417280

約数和(自身を除く): 54135420409

約数列:

[1, 7, 13, 83, 91, 439, 581, 1079, 3073, 5707, 7553, 36437, 39949, 65713, 255059, 459991, 473681, 854269, 3315767, 5454179, 5979883, 28848007, 38179253, 70904327, 201936049, 375024091, 496330289, 2394384581, 2625168637, 16760692067, 31126999553, 217888996871]

約数ペア:

[(1, 217888996871), (7, 31126999553), (13, 16760692067), (83, 2625168637), (91, 2394384581), (439, 496330289), (581, 375024091), (1079, 201936049), (3073, 70904327), (5707, 38179253), (7553, 28848007), (36437, 5979883), (39949, 5454179), (65713, 3315767), (255059, 854269), (459991, 473681)]