31191385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2417}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 39171600

約数和(自身を除く): 7980215

約数列:

[1, 5, 29, 89, 145, 445, 2417, 2581, 12085, 12905, 70093, 215113, 350465, 1075565, 6238277, 31191385]

約数ペア:

[(1, 31191385), (5, 6238277), (29, 1075565), (89, 350465), (145, 215113), (445, 70093), (2417, 12905), (2581, 12085)]