158198032

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{229939}}^1$

素因数の和:229990

約数の個数: 20

約数和(自身を含む): 313638160

約数和(自身を除く): 155440128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 229939, 459878, 919756, 1839512, 3679024, 9887377, 19774754, 39549508, 79099016, 158198032]

約数ペア:

[(1, 158198032), (2, 79099016), (4, 39549508), (8, 19774754), (16, 9887377), (43, 3679024), (86, 1839512), (172, 919756), (344, 459878), (688, 229939)]