128538155

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1\times {\mathrm{709}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 156427200

約数和(自身を除く): 27889045

約数列:

[1, 5, 101, 359, 505, 709, 1795, 3545, 36259, 71609, 181295, 254531, 358045, 1272655, 25707631, 128538155]

約数ペア:

[(1, 128538155), (5, 25707631), (101, 1272655), (359, 358045), (505, 254531), (709, 181295), (1795, 71609), (3545, 36259)]