25680001

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 27936000

約数和(自身を除く): 2255999

約数列:

[1, 19, 47, 149, 193, 893, 2831, 3667, 7003, 9071, 28757, 133057, 172349, 546383, 1351579, 25680001]

約数ペア:

[(1, 25680001), (19, 1351579), (47, 546383), (149, 172349), (193, 133057), (893, 28757), (2831, 9071), (3667, 7003)]