28640884

素因数分解:

$2^2\times {\mathrm{1361}}^1\times {\mathrm{5261}}^1$

素因数の和:6626

約数の個数: 12

約数和(自身を含む): 50167908

約数和(自身を除く): 21527024

約数列:

[1, 2, 4, 1361, 2722, 5261, 5444, 10522, 21044, 7160221, 14320442, 28640884]

約数ペア:

[(1, 28640884), (2, 14320442), (4, 7160221), (1361, 21044), (2722, 10522), (5261, 5444)]