28722395

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 39308400

約数和(自身を除く): 10586005

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 1789, 3211, 8945, 16055, 23257, 33991, 116285, 169955, 302341, 441883, 1511705, 2209415, 5744479, 28722395]

約数ペア:

[(1, 28722395), (5, 5744479), (13, 2209415), (19, 1511705), (65, 441883), (95, 302341), (169, 169955), (247, 116285), (845, 33991), (1235, 23257), (1789, 16055), (3211, 8945)]