199932416

素因数分解:

$2^9\times {\mathrm{390493}}^1$

素因数の和:390511

約数の個数: 20

約数和(自身を含む): 399475362

約数和(自身を除く): 199542946

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 390493, 780986, 1561972, 3123944, 6247888, 12495776, 24991552, 49983104, 99966208, 199932416]

約数ペア:

[(1, 199932416), (2, 99966208), (4, 49983104), (8, 24991552), (16, 12495776), (32, 6247888), (64, 3123944), (128, 1561972), (256, 780986), (512, 390493)]