28039912

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{21503}}^1$

素因数の和:21672

約数の個数: 16

約数和(自身を含む): 52899840

約数和(自身を除く): 24859928

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 21503, 43006, 86012, 172024, 3504989, 7009978, 14019956, 28039912]

約数ペア:

[(1, 28039912), (2, 14019956), (4, 7009978), (8, 3504989), (163, 172024), (326, 86012), (652, 43006), (1304, 21503)]