209050465

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{3389}}^1$

素因数の和:3493

約数の個数: 24

約数和(自身を含む): 275444280

約数和(自身を除く): 66393815

約数列:

[1, 5, 13, 65, 73, 169, 365, 845, 949, 3389, 4745, 12337, 16945, 44057, 61685, 220285, 247397, 572741, 1236985, 2863705, 3216161, 16080805, 41810093, 209050465]

約数ペア:

[(1, 209050465), (5, 41810093), (13, 16080805), (65, 3216161), (73, 2863705), (169, 1236985), (365, 572741), (845, 247397), (949, 220285), (3389, 61685), (4745, 44057), (12337, 16945)]