199903744

素因数分解:

$2^9\times {\mathrm{390437}}^1$

素因数の和:390455

約数の個数: 20

約数和(自身を含む): 399418074

約数和(自身を除く): 199514330

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 390437, 780874, 1561748, 3123496, 6246992, 12493984, 24987968, 49975936, 99951872, 199903744]

約数ペア:

[(1, 199903744), (2, 99951872), (4, 49975936), (8, 24987968), (16, 12493984), (32, 6246992), (64, 3123496), (128, 1561748), (256, 780874), (512, 390437)]