28911664

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{2819}}^1$

素因数の和:3468

約数の個数: 20

約数和(自身を含む): 56123640

約数和(自身を除く): 27211976

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 2819, 5128, 5638, 10256, 11276, 22552, 45104, 1806979, 3613958, 7227916, 14455832, 28911664]

約数ペア:

[(1, 28911664), (2, 14455832), (4, 7227916), (8, 3613958), (16, 1806979), (641, 45104), (1282, 22552), (2564, 11276), (2819, 10256), (5128, 5638)]