28784590

素因数分解:

$2^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{2179}}^1$

素因数の和:3507

約数の個数: 16

約数和(自身を含む): 51875280

約数和(自身を除く): 23090690

約数列:

[1, 2, 5, 10, 1321, 2179, 2642, 4358, 6605, 10895, 13210, 21790, 2878459, 5756918, 14392295, 28784590]

約数ペア:

[(1, 28784590), (2, 14392295), (5, 5756918), (10, 2878459), (1321, 21790), (2179, 13210), (2642, 10895), (4358, 6605)]