12772978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7817}}^1$

素因数の和:7881

約数の個数: 16

約数和(自身を含む): 20639520

約数和(自身を除く): 7866542

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 7817, 15634, 148523, 297046, 336131, 672262, 6386489, 12772978]

約数ペア:

[(1, 12772978), (2, 6386489), (19, 672262), (38, 336131), (43, 297046), (86, 148523), (817, 15634), (1634, 7817)]