28663730

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{26297}}^1$

素因数の和:26413

約数の個数: 16

約数和(自身を含む): 52070040

約数和(自身を除く): 23406310

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 26297, 52594, 131485, 262970, 2866373, 5732746, 14331865, 28663730]

約数ペア:

[(1, 28663730), (2, 14331865), (5, 5732746), (10, 2866373), (109, 262970), (218, 131485), (545, 52594), (1090, 26297)]