12991505

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{937}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 16208640

約数和(自身を除く): 3217135

約数列:

[1, 5, 47, 59, 235, 295, 937, 2773, 4685, 13865, 44039, 55283, 220195, 276415, 2598301, 12991505]

約数ペア:

[(1, 12991505), (5, 2598301), (47, 276415), (59, 220195), (235, 55283), (295, 44039), (937, 13865), (2773, 4685)]