309291265

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1\times {\mathrm{1789}}^1$

素因数の和:2352

約数の個数: 16

約数和(自身を含む): 377360640

約数和(自身を除く): 68069375

約数列:

[1, 5, 71, 355, 487, 1789, 2435, 8945, 34577, 127019, 172885, 635095, 871243, 4356215, 61858253, 309291265]

約数ペア:

[(1, 309291265), (5, 61858253), (71, 4356215), (355, 871243), (487, 635095), (1789, 172885), (2435, 127019), (8945, 34577)]