203910007

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{4463}}^1$

素因数の和:4638

約数の個数: 16

約数和(自身を含む): 239127552

約数和(自身を除く): 35217545

約数列:

[1, 7, 61, 107, 427, 749, 4463, 6527, 31241, 45689, 272243, 477541, 1905701, 3342787, 29130001, 203910007]

約数ペア:

[(1, 203910007), (7, 29130001), (61, 3342787), (107, 1905701), (427, 477541), (749, 272243), (4463, 45689), (6527, 31241)]