199778816

素因数分解:

$2^9\times {\mathrm{390193}}^1$

素因数の和:390211

約数の個数: 20

約数和(自身を含む): 399168462

約数和(自身を除く): 199389646

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 390193, 780386, 1560772, 3121544, 6243088, 12486176, 24972352, 49944704, 99889408, 199778816]

約数ペア:

[(1, 199778816), (2, 99889408), (4, 49944704), (8, 24972352), (16, 12486176), (32, 6243088), (64, 3121544), (128, 1560772), (256, 780386), (512, 390193)]