26731705

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 17620295

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 109, 143, 245, 343, 385, 455, 539, 545, 637, 715, 763, 1001, 1199, 1417, 1715, 2695, 3185, 3773, 3815, 4459, 5005, 5341, 5995, 7007, 7085, 8393, 9919, 15587, 18865, 22295, 26705, 35035, 37387, 41965, 49049, 49595, 58751, 69433, 77935, 109109, 186935, 245245, 293755, 347165, 411257, 486031, 545545, 763763, 2056285, 2430155, 3818815, 5346341, 26731705]

約数ペア:

[(1, 26731705), (5, 5346341), (7, 3818815), (11, 2430155), (13, 2056285), (35, 763763), (49, 545545), (55, 486031), (65, 411257), (77, 347165), (91, 293755), (109, 245245), (143, 186935), (245, 109109), (343, 77935), (385, 69433), (455, 58751), (539, 49595), (545, 49049), (637, 41965), (715, 37387), (763, 35035), (1001, 26705), (1199, 22295), (1417, 18865), (1715, 15587), (2695, 9919), (3185, 8393), (3773, 7085), (3815, 7007), (4459, 5995), (5005, 5341)]