561664

素因数分解:

$2^9\times {\mathrm{1097}}^1$

素因数の和:1115

約数の個数: 20

約数和(自身を含む): 1123254

約数和(自身を除く): 561590

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1097, 2194, 4388, 8776, 17552, 35104, 70208, 140416, 280832, 561664]

約数ペア:

[(1, 561664), (2, 280832), (4, 140416), (8, 70208), (16, 35104), (32, 17552), (64, 8776), (128, 4388), (256, 2194), (512, 1097)]