31294315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6781}}^1$

素因数の和:6870

約数の個数: 16

約数和(自身を含む): 41017536

約数和(自身を除く): 9723221

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 6781, 33905, 88153, 440765, 481451, 2407255, 6258863, 31294315]

約数ペア:

[(1, 31294315), (5, 6258863), (13, 2407255), (65, 481451), (71, 440765), (355, 88153), (923, 33905), (4615, 6781)]