289726031

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{4349}}^1$

素因数の和:4694

約数の個数: 16

約数和(自身を含む): 342988800

約数和(自身を除く): 53262769

約数列:

[1, 7, 31, 217, 307, 2149, 4349, 9517, 30443, 66619, 134819, 943733, 1335143, 9346001, 41389433, 289726031]

約数ペア:

[(1, 289726031), (7, 41389433), (31, 9346001), (217, 1335143), (307, 943733), (2149, 134819), (4349, 66619), (9517, 30443)]