4178005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 6048000

約数和(自身を除く): 1869995

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 199, 221, 247, 323, 995, 1105, 1235, 1615, 2587, 3383, 3781, 4199, 12935, 16915, 18905, 20995, 43979, 49153, 64277, 219895, 245765, 321385, 835601, 4178005]

約数ペア:

[(1, 4178005), (5, 835601), (13, 321385), (17, 245765), (19, 219895), (65, 64277), (85, 49153), (95, 43979), (199, 20995), (221, 18905), (247, 16915), (323, 12935), (995, 4199), (1105, 3781), (1235, 3383), (1615, 2587)]