66881893

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 78489432

約数和(自身を除く): 11607539

約数列:

[1, 13, 17, 47, 137, 221, 611, 799, 1781, 2209, 2329, 6439, 10387, 28717, 30277, 37553, 83707, 109463, 302633, 488189, 1423019, 3934229, 5144761, 66881893]

約数ペア:

[(1, 66881893), (13, 5144761), (17, 3934229), (47, 1423019), (137, 488189), (221, 302633), (611, 109463), (799, 83707), (1781, 37553), (2209, 30277), (2329, 28717), (6439, 10387)]