17281978

素因数分解:

$2^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1361}}^1$

素因数の和:2277

約数の個数: 16

約数和(自身を含む): 29680704

約数和(自身を除く): 12398726

約数列:

[1, 2, 7, 14, 907, 1361, 1814, 2722, 6349, 9527, 12698, 19054, 1234427, 2468854, 8640989, 17281978]

約数ペア:

[(1, 17281978), (2, 8640989), (7, 2468854), (14, 1234427), (907, 19054), (1361, 12698), (1814, 9527), (2722, 6349)]