2881936

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{641}}^1$

素因数の和:930

約数の個数: 20

約数和(自身を含む): 5612364

約数和(自身を除く): 2730428

約数列:

[1, 2, 4, 8, 16, 281, 562, 641, 1124, 1282, 2248, 2564, 4496, 5128, 10256, 180121, 360242, 720484, 1440968, 2881936]

約数ペア:

[(1, 2881936), (2, 1440968), (4, 720484), (8, 360242), (16, 180121), (281, 10256), (562, 5128), (641, 4496), (1124, 2564), (1282, 2248)]