208023571

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{223441}}^1$

素因数の和:223474

約数の個数: 12

約数和(自身を含む): 254723880

約数和(自身を除く): 46700309

約数列:

[1, 7, 19, 49, 133, 931, 223441, 1564087, 4245379, 10948609, 29717653, 208023571]

約数ペア:

[(1, 208023571), (7, 29717653), (19, 10948609), (49, 4245379), (133, 1564087), (931, 223441)]