161361208

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{145109}}^1$

素因数の和:145254

約数の個数: 16

約数和(自身を含む): 304731000

約数和(自身を除く): 143369792

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 145109, 290218, 580436, 1160872, 20170151, 40340302, 80680604, 161361208]

約数ペア:

[(1, 161361208), (2, 80680604), (4, 40340302), (8, 20170151), (139, 1160872), (278, 580436), (556, 290218), (1112, 145109)]