81580205

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1831}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 119592960

約数和(自身を除く): 38012755

約数列:

[1, 5, 7, 19, 35, 67, 95, 133, 335, 469, 665, 1273, 1831, 2345, 6365, 8911, 9155, 12817, 34789, 44555, 64085, 122677, 173945, 243523, 613385, 858739, 1217615, 2330863, 4293695, 11654315, 16316041, 81580205]

約数ペア:

[(1, 81580205), (5, 16316041), (7, 11654315), (19, 4293695), (35, 2330863), (67, 1217615), (95, 858739), (133, 613385), (335, 243523), (469, 173945), (665, 122677), (1273, 64085), (1831, 44555), (2345, 34789), (6365, 12817), (8911, 9155)]