28690257

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{719}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 39260160

約数和(自身を除く): 10569903

約数列:

[1, 3, 47, 141, 283, 719, 849, 2157, 13301, 33793, 39903, 101379, 203477, 610431, 9563419, 28690257]

約数ペア:

[(1, 28690257), (3, 9563419), (47, 610431), (141, 203477), (283, 101379), (719, 39903), (849, 33793), (2157, 13301)]