81994444

素因数分解:

$2^2\times 7^2\times {\mathrm{418339}}^1$

素因数の和:418357

約数の個数: 18

約数和(自身を含む): 166917660

約数和(自身を除く): 84923216

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 418339, 836678, 1673356, 2928373, 5856746, 11713492, 20498611, 40997222, 81994444]

約数ペア:

[(1, 81994444), (2, 40997222), (4, 20498611), (7, 11713492), (14, 5856746), (28, 2928373), (49, 1673356), (98, 836678), (196, 418339)]