209143945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{106979}}^1$

素因数の和:107024

約数の個数: 16

約数和(自身を含む): 277292160

約数和(自身を除く): 68148215

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 106979, 534895, 1818643, 2460517, 9093215, 12302585, 41828789, 209143945]

約数ペア:

[(1, 209143945), (5, 41828789), (17, 12302585), (23, 9093215), (85, 2460517), (115, 1818643), (391, 534895), (1955, 106979)]