28006075

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 36091440

約数和(自身を除く): 8085365

約数列:

[1, 5, 25, 41, 89, 205, 307, 445, 1025, 1535, 2225, 3649, 7675, 12587, 18245, 27323, 62935, 91225, 136615, 314675, 683075, 1120243, 5601215, 28006075]

約数ペア:

[(1, 28006075), (5, 5601215), (25, 1120243), (41, 683075), (89, 314675), (205, 136615), (307, 91225), (445, 62935), (1025, 27323), (1535, 18245), (2225, 12587), (3649, 7675)]