871408

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:624

約数の個数: 20

約数和(自身を含む): 1707480

約数和(自身を除く): 836072

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 509, 856, 1018, 1712, 2036, 4072, 8144, 54463, 108926, 217852, 435704, 871408]

約数ペア:

[(1, 871408), (2, 435704), (4, 217852), (8, 108926), (16, 54463), (107, 8144), (214, 4072), (428, 2036), (509, 1712), (856, 1018)]