398997504

素因数分解:

$2^{11}\times 3^2\times {\mathrm{21647}}^1$

素因数の和:21675

約数の個数: 72

約数和(自身を含む): 1152431280

約数和(自身を除く): 753433776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2048, 2304, 3072, 4608, 6144, 9216, 18432, 21647, 43294, 64941, 86588, 129882, 173176, 194823, 259764, 346352, 389646, 519528, 692704, 779292, 1039056, 1385408, 1558584, 2078112, 2770816, 3117168, 4156224, 5541632, 6234336, 8312448, 11083264, 12468672, 16624896, 22166528, 24937344, 33249792, 44333056, 49874688, 66499584, 99749376, 132999168, 199498752, 398997504]

約数ペア:

[(1, 398997504), (2, 199498752), (3, 132999168), (4, 99749376), (6, 66499584), (8, 49874688), (9, 44333056), (12, 33249792), (16, 24937344), (18, 22166528), (24, 16624896), (32, 12468672), (36, 11083264), (48, 8312448), (64, 6234336), (72, 5541632), (96, 4156224), (128, 3117168), (144, 2770816), (192, 2078112), (256, 1558584), (288, 1385408), (384, 1039056), (512, 779292), (576, 692704), (768, 519528), (1024, 389646), (1152, 346352), (1536, 259764), (2048, 194823), (2304, 173176), (3072, 129882), (4608, 86588), (6144, 64941), (9216, 43294), (18432, 21647)]