28213339

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2797}}^1$

素因数の和:2946

約数の個数: 16

約数和(自身を含む): 35456256

約数和(自身を除く): 7242917

約数列:

[1, 7, 11, 77, 131, 917, 1441, 2797, 10087, 19579, 30767, 215369, 366407, 2564849, 4030477, 28213339]

約数ペア:

[(1, 28213339), (7, 4030477), (11, 2564849), (77, 366407), (131, 215369), (917, 30767), (1441, 19579), (2797, 10087)]