201331319

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{7547}}^1$

素因数の和:7694

約数の個数: 16

約数和(自身を含む): 238637568

約数和(自身を除く): 37306249

約数列:

[1, 7, 37, 103, 259, 721, 3811, 7547, 26677, 52829, 279239, 777341, 1954673, 5441387, 28761617, 201331319]

約数ペア:

[(1, 201331319), (7, 28761617), (37, 5441387), (103, 1954673), (259, 777341), (721, 279239), (3811, 52829), (7547, 26677)]