398802984

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{386437}}^1$

素因数の和:386489

約数の個数: 32

約数和(自身を含む): 1020196320

約数和(自身を除く): 621393336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 386437, 772874, 1159311, 1545748, 2318622, 3091496, 4637244, 9274488, 16616791, 33233582, 49850373, 66467164, 99700746, 132934328, 199401492, 398802984]

約数ペア:

[(1, 398802984), (2, 199401492), (3, 132934328), (4, 99700746), (6, 66467164), (8, 49850373), (12, 33233582), (24, 16616791), (43, 9274488), (86, 4637244), (129, 3091496), (172, 2318622), (258, 1545748), (344, 1159311), (516, 772874), (1032, 386437)]