28713218

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{39769}}^1$

素因数の和:39809

約数の個数: 12

約数和(自身を含む): 45457110

約数和(自身を除く): 16743892

約数列:

[1, 2, 19, 38, 361, 722, 39769, 79538, 755611, 1511222, 14356609, 28713218]

約数ペア:

[(1, 28713218), (2, 14356609), (19, 1511222), (38, 755611), (361, 79538), (722, 39769)]