28312718

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{353}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 51689664

約数和(自身を除く): 23376946

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 337, 353, 674, 706, 2359, 2471, 4718, 4942, 5729, 6001, 11458, 12002, 40103, 42007, 80206, 84014, 118961, 237922, 832727, 1665454, 2022337, 4044674, 14156359, 28312718]

約数ペア:

[(1, 28312718), (2, 14156359), (7, 4044674), (14, 2022337), (17, 1665454), (34, 832727), (119, 237922), (238, 118961), (337, 84014), (353, 80206), (674, 42007), (706, 40103), (2359, 12002), (2471, 11458), (4718, 6001), (4942, 5729)]