81640794

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^2\times {\mathrm{14159}}^1$

素因数の和:14226

約数の個数: 24

約数和(自身を含む): 168730560

約数和(自身を除く): 87089766

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 961, 1922, 2883, 5766, 14159, 28318, 42477, 84954, 438929, 877858, 1316787, 2633574, 13606799, 27213598, 40820397, 81640794]

約数ペア:

[(1, 81640794), (2, 40820397), (3, 27213598), (6, 13606799), (31, 2633574), (62, 1316787), (93, 877858), (186, 438929), (961, 84954), (1922, 42477), (2883, 28318), (5766, 14159)]