1606925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 2232000

約数和(自身を除く): 625075

約数列:

[1, 5, 17, 19, 25, 85, 95, 199, 323, 425, 475, 995, 1615, 3383, 3781, 4975, 8075, 16915, 18905, 64277, 84575, 94525, 321385, 1606925]

約数ペア:

[(1, 1606925), (5, 321385), (17, 94525), (19, 84575), (25, 64277), (85, 18905), (95, 16915), (199, 8075), (323, 4975), (425, 3781), (475, 3383), (995, 1615)]