28878284

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{443}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 51965760

約数和(自身を除く): 23087476

約数列:

[1, 2, 4, 43, 86, 172, 379, 443, 758, 886, 1516, 1772, 16297, 19049, 32594, 38098, 65188, 76196, 167897, 335794, 671588, 7219571, 14439142, 28878284]

約数ペア:

[(1, 28878284), (2, 14439142), (4, 7219571), (43, 671588), (86, 335794), (172, 167897), (379, 76196), (443, 65188), (758, 38098), (886, 32594), (1516, 19049), (1772, 16297)]