81334328

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 167270400

約数和(自身を除く): 85936072

約数列:

[1, 2, 4, 8, 29, 31, 43, 58, 62, 86, 116, 124, 172, 232, 248, 263, 344, 526, 899, 1052, 1247, 1333, 1798, 2104, 2494, 2666, 3596, 4988, 5332, 7192, 7627, 8153, 9976, 10664, 11309, 15254, 16306, 22618, 30508, 32612, 38657, 45236, 61016, 65224, 77314, 90472, 154628, 236437, 309256, 327961, 350579, 472874, 655922, 701158, 945748, 1311844, 1402316, 1891496, 2623688, 2804632, 10166791, 20333582, 40667164, 81334328]

約数ペア:

[(1, 81334328), (2, 40667164), (4, 20333582), (8, 10166791), (29, 2804632), (31, 2623688), (43, 1891496), (58, 1402316), (62, 1311844), (86, 945748), (116, 701158), (124, 655922), (172, 472874), (232, 350579), (248, 327961), (263, 309256), (344, 236437), (526, 154628), (899, 90472), (1052, 77314), (1247, 65224), (1333, 61016), (1798, 45236), (2104, 38657), (2494, 32612), (2666, 30508), (3596, 22618), (4988, 16306), (5332, 15254), (7192, 11309), (7627, 10664), (8153, 9976)]