209883989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{41017}}^1$

素因数の和:41084

約数の個数: 16

約数和(自身を含む): 259890048

約数和(自身を除く): 50006059

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 41017, 287119, 697289, 1763731, 4881023, 12346117, 29983427, 209883989]

約数ペア:

[(1, 209883989), (7, 29983427), (17, 12346117), (43, 4881023), (119, 1763731), (301, 697289), (731, 287119), (5117, 41017)]