209968655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{45497}}^1$

素因数の和:45586

約数の個数: 16

約数和(自身を含む): 275171904

約数和(自身を除く): 65203249

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 45497, 227485, 591461, 2957305, 3230287, 16151435, 41993731, 209968655]

約数ペア:

[(1, 209968655), (5, 41993731), (13, 16151435), (65, 3230287), (71, 2957305), (355, 591461), (923, 227485), (4615, 45497)]