81891124

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{23029}}^1$

素因数の和:23167

約数の個数: 24

約数和(自身を含む): 165079040

約数和(自身を除く): 83187916

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 23029, 46058, 92116, 161203, 322406, 644812, 2924683, 5849366, 11698732, 20472781, 40945562, 81891124]

約数ペア:

[(1, 81891124), (2, 40945562), (4, 20472781), (7, 11698732), (14, 5849366), (28, 2924683), (127, 644812), (254, 322406), (508, 161203), (889, 92116), (1778, 46058), (3556, 23029)]