129600775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{304943}}^1$

素因数の和:304970

約数の個数: 12

約数和(自身を含む): 170158752

約数和(自身を除く): 40557977

約数列:

[1, 5, 17, 25, 85, 425, 304943, 1524715, 5184031, 7623575, 25920155, 129600775]

約数ペア:

[(1, 129600775), (5, 25920155), (17, 7623575), (25, 5184031), (85, 1524715), (425, 304943)]