198890308

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{3221}}^1$

素因数の和:3627

約数の個数: 24

約数和(自身を含む): 357255360

約数和(自身を除く): 158365052

約数列:

[1, 2, 4, 43, 86, 172, 359, 718, 1436, 3221, 6442, 12884, 15437, 30874, 61748, 138503, 277006, 554012, 1156339, 2312678, 4625356, 49722577, 99445154, 198890308]

約数ペア:

[(1, 198890308), (2, 99445154), (4, 49722577), (43, 4625356), (86, 2312678), (172, 1156339), (359, 554012), (718, 277006), (1436, 138503), (3221, 61748), (6442, 30874), (12884, 15437)]