31720286

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{7219}}^1$

素因数の和:7260

約数の個数: 16

約数和(自身を含む): 51550800

約数和(自身を除く): 19830514

約数列:

[1, 2, 13, 26, 169, 338, 2197, 4394, 7219, 14438, 93847, 187694, 1220011, 2440022, 15860143, 31720286]

約数ペア:

[(1, 31720286), (2, 15860143), (13, 2440022), (26, 1220011), (169, 187694), (338, 93847), (2197, 14438), (4394, 7219)]