218667016

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{196643}}^1$

素因数の和:196788

約数の個数: 16

約数和(自身を含む): 412952400

約数和(自身を除く): 194285384

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 196643, 393286, 786572, 1573144, 27333377, 54666754, 109333508, 218667016]

約数ペア:

[(1, 218667016), (2, 109333508), (4, 54666754), (8, 27333377), (139, 1573144), (278, 786572), (556, 393286), (1112, 196643)]