12786319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 15966720

約数和(自身を除く): 3180401

約数列:

[1, 7, 13, 71, 91, 497, 923, 1979, 6461, 13853, 25727, 140509, 180089, 983563, 1826617, 12786319]

約数ペア:

[(1, 12786319), (7, 1826617), (13, 983563), (71, 180089), (91, 140509), (497, 25727), (923, 13853), (1979, 6461)]