16687951

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 20072448

約数和(自身を除く): 3384497

約数列:

[1, 7, 31, 53, 217, 371, 1451, 1643, 10157, 11501, 44981, 76903, 314867, 538321, 2383993, 16687951]

約数ペア:

[(1, 16687951), (7, 2383993), (31, 538321), (53, 314867), (217, 76903), (371, 44981), (1451, 11501), (1643, 10157)]