66671285

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 86502240

約数和(自身を除く): 19830955

約数列:

[1, 5, 19, 43, 95, 215, 361, 817, 859, 1805, 4085, 4295, 15523, 16321, 36937, 77615, 81605, 184685, 310099, 701803, 1550495, 3509015, 13334257, 66671285]

約数ペア:

[(1, 66671285), (5, 13334257), (19, 3509015), (43, 1550495), (95, 701803), (215, 310099), (361, 184685), (817, 81605), (859, 77615), (1805, 36937), (4085, 16321), (4295, 15523)]