209968213

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{4817}}^1$

素因数の和:5316

約数の個数: 16

約数和(自身を含む): 259015680

約数和(自身を除く): 49047467

約数列:

[1, 7, 13, 91, 479, 3353, 4817, 6227, 33719, 43589, 62621, 438347, 2307343, 16151401, 29995459, 209968213]

約数ペア:

[(1, 209968213), (7, 29995459), (13, 16151401), (91, 2307343), (479, 438347), (3353, 62621), (4817, 43589), (6227, 33719)]