201689990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{876913}}^1$

素因数の和:876943

約数の個数: 16

約数和(自身を含む): 378826848

約数和(自身を除く): 177136858

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 876913, 1753826, 4384565, 8769130, 20168999, 40337998, 100844995, 201689990]

約数ペア:

[(1, 201689990), (2, 100844995), (5, 40337998), (10, 20168999), (23, 8769130), (46, 4384565), (115, 1753826), (230, 876913)]