208672009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{4073}}^1$

素因数の和:4656

約数の個数: 16

約数和(自身を含む): 257346432

約数和(自身を除く): 48674423

約数列:

[1, 7, 13, 91, 563, 3941, 4073, 7319, 28511, 51233, 52949, 370643, 2293099, 16051693, 29810287, 208672009]

約数ペア:

[(1, 208672009), (7, 29810287), (13, 16051693), (91, 2293099), (563, 370643), (3941, 52949), (4073, 51233), (7319, 28511)]