12878957

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 15937152

約数和(自身を除く): 3058195

約数列:

[1, 7, 13, 91, 307, 461, 2149, 3227, 3991, 5993, 27937, 41951, 141527, 990689, 1839851, 12878957]

約数ペア:

[(1, 12878957), (7, 1839851), (13, 990689), (91, 141527), (307, 41951), (461, 27937), (2149, 5993), (3227, 3991)]