28564081

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4421}}^1$

素因数の和:4512

約数の個数: 16

約数和(自身を含む): 35659008

約数和(自身を除く): 7094927

約数列:

[1, 7, 13, 71, 91, 497, 923, 4421, 6461, 30947, 57473, 313891, 402311, 2197237, 4080583, 28564081]

約数ペア:

[(1, 28564081), (7, 4080583), (13, 2197237), (71, 402311), (91, 313891), (497, 57473), (923, 30947), (4421, 6461)]