1263789947

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{73361}}^1$

素因数の和:73498

約数の個数: 16

約数和(自身を含む): 1521234432

約数和(自身を除く): 257444485

約数列:

[1, 7, 23, 107, 161, 749, 2461, 17227, 73361, 513527, 1687303, 7849627, 11811121, 54947389, 180541421, 1263789947]

約数ペア:

[(1, 1263789947), (7, 180541421), (23, 54947389), (107, 11811121), (161, 7849627), (749, 1687303), (2461, 513527), (17227, 73361)]