840992

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:692

約数の個数: 24

約数和(自身を含む): 1698732

約数和(自身を除く): 857740

約数列:

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

約数ペア:

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