81307576

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63127}}^1$

素因数の和:63163

約数の個数: 32

約数和(自身を含む): 181808640

約数和(自身を除く): 100501064

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 63127, 126254, 252508, 441889, 505016, 883778, 1451921, 1767556, 2903842, 3535112, 5807684, 10163447, 11615368, 20326894, 40653788, 81307576]

約数ペア:

[(1, 81307576), (2, 40653788), (4, 20326894), (7, 11615368), (8, 10163447), (14, 5807684), (23, 3535112), (28, 2903842), (46, 1767556), (56, 1451921), (92, 883778), (161, 505016), (184, 441889), (322, 252508), (644, 126254), (1288, 63127)]