208528036

素因数分解:

$2^2\times {\mathrm{421}}^1\times {\mathrm{123829}}^1$

素因数の和:124254

約数の個数: 12

約数和(自身を含む): 365793820

約数和(自身を除く): 157265784

約数列:

[1, 2, 4, 421, 842, 1684, 123829, 247658, 495316, 52132009, 104264018, 208528036]

約数ペア:

[(1, 208528036), (2, 104264018), (4, 52132009), (421, 495316), (842, 247658), (1684, 123829)]