1287663902

素因数分解:

$2^1\times 7^1\times {\mathrm{1951}}^1\times {\mathrm{47143}}^1$

素因数の和:49103

約数の個数: 16

約数和(自身を含む): 2208602112

約数和(自身を除く): 920938210

約数列:

[1, 2, 7, 14, 1951, 3902, 13657, 27314, 47143, 94286, 330001, 660002, 91975993, 183951986, 643831951, 1287663902]

約数ペア:

[(1, 1287663902), (2, 643831951), (7, 183951986), (14, 91975993), (1951, 660002), (3902, 330001), (13657, 94286), (27314, 47143)]