81660746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{16921}}^1$

素因数の和:17069

約数の個数: 16

約数和(自身を含む): 129960960

約数和(自身を除く): 48300214

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4826, 16921, 33842, 321499, 642998, 2148967, 4297934, 40830373, 81660746]

約数ペア:

[(1, 81660746), (2, 40830373), (19, 4297934), (38, 2148967), (127, 642998), (254, 321499), (2413, 33842), (4826, 16921)]