28389710

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{17417}}^1$

素因数の和:17587

約数の個数: 16

約数和(自身を含む): 51417936

約数和(自身を除く): 23028226

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 17417, 34834, 87085, 174170, 2838971, 5677942, 14194855, 28389710]

約数ペア:

[(1, 28389710), (2, 14194855), (5, 5677942), (10, 2838971), (163, 174170), (326, 87085), (815, 34834), (1630, 17417)]