28087378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{31139}}^1$

素因数の和:31193

約数の個数: 16

約数和(自身を含む): 47083680

約数和(自身を除く): 18996302

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 31139, 62278, 342529, 685058, 1276699, 2553398, 14043689, 28087378]

約数ペア:

[(1, 28087378), (2, 14043689), (11, 2553398), (22, 1276699), (41, 685058), (82, 342529), (451, 62278), (902, 31139)]