199643905

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{3739}}^1$

素因数の和:3984

約数の個数: 16

約数和(自身を含む): 245044800

約数和(自身を除く): 45400895

約数列:

[1, 5, 59, 181, 295, 905, 3739, 10679, 18695, 53395, 220601, 676759, 1103005, 3383795, 39928781, 199643905]

約数ペア:

[(1, 199643905), (5, 39928781), (59, 3383795), (181, 1103005), (295, 676759), (905, 220601), (3739, 53395), (10679, 18695)]