28184065

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8849}}^1$

素因数の和:8881

約数の個数: 24

約数和(自身を含む): 42373800

約数和(自身を除く): 14189735

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 8849, 44245, 61943, 115037, 309715, 433601, 575185, 805259, 2168005, 4026295, 5636813, 28184065]

約数ペア:

[(1, 28184065), (5, 5636813), (7, 4026295), (13, 2168005), (35, 805259), (49, 575185), (65, 433601), (91, 309715), (245, 115037), (455, 61943), (637, 44245), (3185, 8849)]