81007136

素因数分解:

$2^5\times 7^1\times {\mathrm{421}}^1\times {\mathrm{859}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 182911680

約数和(自身を除く): 101904544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 421, 842, 859, 1684, 1718, 2947, 3368, 3436, 5894, 6013, 6736, 6872, 11788, 12026, 13472, 13744, 23576, 24052, 27488, 47152, 48104, 94304, 96208, 192416, 361639, 723278, 1446556, 2531473, 2893112, 5062946, 5786224, 10125892, 11572448, 20251784, 40503568, 81007136]

約数ペア:

[(1, 81007136), (2, 40503568), (4, 20251784), (7, 11572448), (8, 10125892), (14, 5786224), (16, 5062946), (28, 2893112), (32, 2531473), (56, 1446556), (112, 723278), (224, 361639), (421, 192416), (842, 96208), (859, 94304), (1684, 48104), (1718, 47152), (2947, 27488), (3368, 24052), (3436, 23576), (5894, 13744), (6013, 13472), (6736, 12026), (6872, 11788)]