289898495

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{3359}}^1$

素因数の和:3826

約数の個数: 16

約数和(自身を含む): 357315840

約数和(自身を除く): 67417345

約数列:

[1, 5, 41, 205, 421, 2105, 3359, 16795, 17261, 86305, 137719, 688595, 1414139, 7070695, 57979699, 289898495]

約数ペア:

[(1, 289898495), (5, 57979699), (41, 7070695), (205, 1414139), (421, 688595), (2105, 137719), (3359, 86305), (16795, 17261)]