209036045

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1\times {\mathrm{947}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 253775808

約数和(自身を除く): 44739763

約数列:

[1, 5, 131, 337, 655, 947, 1685, 4735, 44147, 124057, 220735, 319139, 620285, 1595695, 41807209, 209036045]

約数ペア:

[(1, 209036045), (5, 41807209), (131, 1595695), (337, 620285), (655, 319139), (947, 220735), (1685, 124057), (4735, 44147)]