208030208

素因数分解:

$2^9\times {\mathrm{406309}}^1$

素因数の和:406327

約数の個数: 20

約数和(自身を含む): 415655130

約数和(自身を除く): 207624922

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 406309, 812618, 1625236, 3250472, 6500944, 13001888, 26003776, 52007552, 104015104, 208030208]

約数ペア:

[(1, 208030208), (2, 104015104), (4, 52007552), (8, 26003776), (16, 13001888), (32, 6500944), (64, 3250472), (128, 1625236), (256, 812618), (512, 406309)]