28129864

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1423}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 60491520

約数和(自身を除く): 32361656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 1412, 1423, 2471, 2824, 2846, 4942, 5692, 9884, 9961, 11384, 19768, 19922, 39844, 79688, 502319, 1004638, 2009276, 3516233, 4018552, 7032466, 14064932, 28129864]

約数ペア:

[(1, 28129864), (2, 14064932), (4, 7032466), (7, 4018552), (8, 3516233), (14, 2009276), (28, 1004638), (56, 502319), (353, 79688), (706, 39844), (1412, 19922), (1423, 19768), (2471, 11384), (2824, 9961), (2846, 9884), (4942, 5692)]