25481365

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56003}}^1$

素因数の和:56028

約数の個数: 16

約数和(自身を含む): 37634688

約数和(自身を除く): 12153323

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 56003, 280015, 392021, 728039, 1960105, 3640195, 5096273, 25481365]

約数ペア:

[(1, 25481365), (5, 5096273), (7, 3640195), (13, 1960105), (35, 728039), (65, 392021), (91, 280015), (455, 56003)]