28233905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42457}}^1$

素因数の和:42488

約数の個数: 16

約数和(自身を含む): 40759680

約数和(自身を除く): 12525775

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 42457, 212285, 297199, 806683, 1485995, 4033415, 5646781, 28233905]

約数ペア:

[(1, 28233905), (5, 5646781), (7, 4033415), (19, 1485995), (35, 806683), (95, 297199), (133, 212285), (665, 42457)]