1681385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:304

約数の個数: 16

約数和(自身を含む): 2166912

約数和(自身を除く): 485527

約数列:

[1, 5, 17, 85, 131, 151, 655, 755, 2227, 2567, 11135, 12835, 19781, 98905, 336277, 1681385]

約数ペア:

[(1, 1681385), (5, 336277), (17, 98905), (85, 19781), (131, 12835), (151, 11135), (655, 2567), (755, 2227)]