166989454

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1\times {\mathrm{2137}}^1$

素因数の和:2667

約数の個数: 16

約数和(自身を含む): 253994400

約数和(自身を除く): 87004946

約数列:

[1, 2, 89, 178, 439, 878, 2137, 4274, 39071, 78142, 190193, 380386, 938143, 1876286, 83494727, 166989454]

約数ペア:

[(1, 166989454), (2, 83494727), (89, 1876286), (178, 938143), (439, 380386), (878, 190193), (2137, 78142), (4274, 39071)]