27998305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1481}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 35568000

約数和(自身を除く): 7569695

約数列:

[1, 5, 19, 95, 199, 995, 1481, 3781, 7405, 18905, 28139, 140695, 294719, 1473595, 5599661, 27998305]

約数ペア:

[(1, 27998305), (5, 5599661), (19, 1473595), (95, 294719), (199, 140695), (995, 28139), (1481, 18905), (3781, 7405)]