398805504

素因数分解:

$2^9\times 3^1\times {\mathrm{259639}}^1$

素因数の和:259660

約数の個数: 40

約数和(自身を含む): 1062446880

約数和(自身を除く): 663641376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 259639, 519278, 778917, 1038556, 1557834, 2077112, 3115668, 4154224, 6231336, 8308448, 12462672, 16616896, 24925344, 33233792, 49850688, 66467584, 99701376, 132935168, 199402752, 398805504]

約数ペア:

[(1, 398805504), (2, 199402752), (3, 132935168), (4, 99701376), (6, 66467584), (8, 49850688), (12, 33233792), (16, 24925344), (24, 16616896), (32, 12462672), (48, 8308448), (64, 6231336), (96, 4154224), (128, 3115668), (192, 2077112), (256, 1557834), (384, 1038556), (512, 778917), (768, 519278), (1536, 259639)]