2144989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 2712960

約数和(自身を除く): 567971

約数列:

[1, 7, 11, 77, 89, 313, 623, 979, 2191, 3443, 6853, 24101, 27857, 194999, 306427, 2144989]

約数ペア:

[(1, 2144989), (7, 306427), (11, 194999), (77, 27857), (89, 24101), (313, 6853), (623, 3443), (979, 2191)]