207210055

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{1451}}^1$

素因数の和:1508

約数の個数: 20

約数和(自身を含む): 269557992

約数和(自身を除く): 62347937

約数列:

[1, 5, 13, 65, 169, 845, 1451, 2197, 7255, 10985, 18863, 28561, 94315, 142805, 245219, 1226095, 3187847, 15939235, 41442011, 207210055]

約数ペア:

[(1, 207210055), (5, 41442011), (13, 15939235), (65, 3187847), (169, 1226095), (845, 245219), (1451, 142805), (2197, 94315), (7255, 28561), (10985, 18863)]