28207856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{92789}}^1$

素因数の和:92816

約数の個数: 20

約数和(自身を含む): 57529800

約数和(自身を除く): 29321944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 92789, 185578, 371156, 742312, 1484624, 1762991, 3525982, 7051964, 14103928, 28207856]

約数ペア:

[(1, 28207856), (2, 14103928), (4, 7051964), (8, 3525982), (16, 1762991), (19, 1484624), (38, 742312), (76, 371156), (152, 185578), (304, 92789)]