1305728

素因数分解:

$2^7\times {\mathrm{101}}^2$

素因数の和:216

約数の個数: 24

約数和(自身を含む): 2627265

約数和(自身を除く): 1321537

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1616, 3232, 6464, 10201, 12928, 20402, 40804, 81608, 163216, 326432, 652864, 1305728]

約数ペア:

[(1, 1305728), (2, 652864), (4, 326432), (8, 163216), (16, 81608), (32, 40804), (64, 20402), (101, 12928), (128, 10201), (202, 6464), (404, 3232), (808, 1616)]