28351835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7757}}^1$

素因数の和:7822

約数の個数: 16

約数和(自身を含む): 36866016

約数和(自身を除く): 8514181

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 7757, 38785, 131869, 333551, 659345, 1667755, 5670367, 28351835]

約数ペア:

[(1, 28351835), (5, 5670367), (17, 1667755), (43, 659345), (85, 333551), (215, 131869), (731, 38785), (3655, 7757)]