28524209

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{7703}}^1$

素因数の和:7756

約数の個数: 12

約数和(自身を含む): 34082496

約数和(自身を除く): 5558287

約数列:

[1, 7, 23, 161, 529, 3703, 7703, 53921, 177169, 1240183, 4074887, 28524209]

約数ペア:

[(1, 28524209), (7, 4074887), (23, 1240183), (161, 177169), (529, 53921), (3703, 7703)]