1215690028

素因数分解:

$2^2\times 7^1\times {\mathrm{43417501}}^1$

素因数の和:43417512

約数の個数: 12

約数和(自身を含む): 2431380112

約数和(自身を除く): 1215690084

約数列:

[1, 2, 4, 7, 14, 28, 43417501, 86835002, 173670004, 303922507, 607845014, 1215690028]

約数ペア:

[(1, 1215690028), (2, 607845014), (4, 303922507), (7, 173670004), (14, 86835002), (28, 43417501)]