139221796

素因数分解:

$2^2\times 7^1\times {\mathrm{4972207}}^1$

素因数の和:4972218

約数の個数: 12

約数和(自身を含む): 278443648

約数和(自身を除く): 139221852

約数列:

[1, 2, 4, 7, 14, 28, 4972207, 9944414, 19888828, 34805449, 69610898, 139221796]

約数ペア:

[(1, 139221796), (2, 69610898), (4, 34805449), (7, 19888828), (14, 9944414), (28, 4972207)]