28218910

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{27397}}^1$

素因数の和:27507

約数の個数: 16

約数和(自身を含む): 51289056

約数和(自身を除く): 23070146

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 27397, 54794, 136985, 273970, 2821891, 5643782, 14109455, 28218910]

約数ペア:

[(1, 28218910), (2, 14109455), (5, 5643782), (10, 2821891), (103, 273970), (206, 136985), (515, 54794), (1030, 27397)]