28234130

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4391}}^1$

素因数の和:5041

約数の個数: 16

約数和(自身を含む): 50912064

約数和(自身を除く): 22677934

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 4391, 6430, 8782, 21955, 43910, 2823413, 5646826, 14117065, 28234130]

約数ペア:

[(1, 28234130), (2, 14117065), (5, 5646826), (10, 2823413), (643, 43910), (1286, 21955), (3215, 8782), (4391, 6430)]