28691278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{16937}}^1$

素因数の和:16968

約数の個数: 24

約数和(自身を含む): 54066096

約数和(自身を除く): 25374818

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 16937, 33874, 118559, 186307, 237118, 372614, 1304149, 2049377, 2608298, 4098754, 14345639, 28691278]

約数ペア:

[(1, 28691278), (2, 14345639), (7, 4098754), (11, 2608298), (14, 2049377), (22, 1304149), (77, 372614), (121, 237118), (154, 186307), (242, 118559), (847, 33874), (1694, 16937)]