12581168

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{5657}}^1$

素因数の和:5804

約数の個数: 20

約数和(自身を含む): 24555720

約数和(自身を除く): 11974552

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 5657, 11314, 22628, 45256, 90512, 786323, 1572646, 3145292, 6290584, 12581168]

約数ペア:

[(1, 12581168), (2, 6290584), (4, 3145292), (8, 1572646), (16, 786323), (139, 90512), (278, 45256), (556, 22628), (1112, 11314), (2224, 5657)]