131980054

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{3989}}^1$

素因数の和:4295

約数の個数: 16

約数和(自身を含む): 201670560

約数和(自身を除く): 69690506

約数列:

[1, 2, 71, 142, 233, 466, 3989, 7978, 16543, 33086, 283219, 566438, 929437, 1858874, 65990027, 131980054]

約数ペア:

[(1, 131980054), (2, 65990027), (71, 1858874), (142, 929437), (233, 566438), (466, 283219), (3989, 33086), (7978, 16543)]