28705523

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2803}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 38358720

約数和(自身を除く): 9653197

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 2803, 10241, 19621, 30833, 53257, 137347, 215831, 372799, 585827, 1510817, 2609593, 4100789, 28705523]

約数ペア:

[(1, 28705523), (7, 4100789), (11, 2609593), (19, 1510817), (49, 585827), (77, 372799), (133, 215831), (209, 137347), (539, 53257), (931, 30833), (1463, 19621), (2803, 10241)]