81335912

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63149}}^1$

素因数の和:63185

約数の個数: 32

約数和(自身を含む): 181872000

約数和(自身を除く): 100536088

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 63149, 126298, 252596, 442043, 505192, 884086, 1452427, 1768172, 2904854, 3536344, 5809708, 10166989, 11619416, 20333978, 40667956, 81335912]

約数ペア:

[(1, 81335912), (2, 40667956), (4, 20333978), (7, 11619416), (8, 10166989), (14, 5809708), (23, 3536344), (28, 2904854), (46, 1768172), (56, 1452427), (92, 884086), (161, 505192), (184, 442043), (322, 252596), (644, 126298), (1288, 63149)]