2698213

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 16

約数和(自身を含む): 3214080

約数和(自身を除く): 515867

約数列:

[1, 7, 61, 71, 89, 427, 497, 623, 4331, 5429, 6319, 30317, 38003, 44233, 385459, 2698213]

約数ペア:

[(1, 2698213), (7, 385459), (61, 44233), (71, 38003), (89, 30317), (427, 6319), (497, 5429), (623, 4331)]