28986782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{9479}}^1$

素因数の和:9631

約数の個数: 16

約数和(自身を含む): 47779200

約数和(自身を除く): 18792418

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 9479, 18958, 104269, 208538, 1317581, 2635162, 14493391, 28986782]

約数ペア:

[(1, 28986782), (2, 14493391), (11, 2635162), (22, 1317581), (139, 208538), (278, 104269), (1529, 18958), (3058, 9479)]