81316592

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31567}}^1$

素因数の和:31605

約数の個数: 40

約数和(自身を含む): 187892736

約数和(自身を除く): 106576144

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 31567, 63134, 126268, 220969, 252536, 441938, 505072, 726041, 883876, 1452082, 1767752, 2904164, 3535504, 5082287, 5808328, 10164574, 11616656, 20329148, 40658296, 81316592]

約数ペア:

[(1, 81316592), (2, 40658296), (4, 20329148), (7, 11616656), (8, 10164574), (14, 5808328), (16, 5082287), (23, 3535504), (28, 2904164), (46, 1767752), (56, 1452082), (92, 883876), (112, 726041), (161, 505072), (184, 441938), (322, 252536), (368, 220969), (644, 126268), (1288, 63134), (2576, 31567)]