209740892

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{663737}}^1$

素因数の和:663820

約数の個数: 12

約数和(自身を含む): 371693280

約数和(自身を除く): 161952388

約数列:

[1, 2, 4, 79, 158, 316, 663737, 1327474, 2654948, 52435223, 104870446, 209740892]

約数ペア:

[(1, 209740892), (2, 104870446), (4, 52435223), (79, 2654948), (158, 1327474), (316, 663737)]