199290028

素因数分解:

$2^2\times 7^1\times {\mathrm{7117501}}^1$

素因数の和:7117512

約数の個数: 12

約数和(自身を含む): 398580112

約数和(自身を除く): 199290084

約数列:

[1, 2, 4, 7, 14, 28, 7117501, 14235002, 28470004, 49822507, 99645014, 199290028]

約数ペア:

[(1, 199290028), (2, 99645014), (4, 49822507), (7, 28470004), (14, 14235002), (28, 7117501)]