1681984

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:694

約数の個数: 28

約数和(自身を含む): 3424428

約数和(自身を除く): 1742444

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 641, 656, 1282, 1312, 2564, 2624, 5128, 10256, 20512, 26281, 41024, 52562, 105124, 210248, 420496, 840992, 1681984]

約数ペア:

[(1, 1681984), (2, 840992), (4, 420496), (8, 210248), (16, 105124), (32, 52562), (41, 41024), (64, 26281), (82, 20512), (164, 10256), (328, 5128), (641, 2624), (656, 2564), (1282, 1312)]