81746308

素因数分解:

$2^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{2161}}^1$

素因数の和:2372

約数の個数: 36

約数和(自身を含む): 167351772

約数和(自身を除く): 85605464

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 386, 772, 1351, 2161, 2702, 4322, 5404, 8644, 9457, 15127, 18914, 30254, 37828, 60508, 105889, 211778, 417073, 423556, 834146, 1668292, 2919511, 5839022, 11678044, 20436577, 40873154, 81746308]

約数ペア:

[(1, 81746308), (2, 40873154), (4, 20436577), (7, 11678044), (14, 5839022), (28, 2919511), (49, 1668292), (98, 834146), (193, 423556), (196, 417073), (386, 211778), (772, 105889), (1351, 60508), (2161, 37828), (2702, 30254), (4322, 18914), (5404, 15127), (8644, 9457)]