66840955

素因数分解:

$5^1\times {\mathrm{19}}^3\times {\mathrm{1949}}^1$

素因数の和:2011

約数の個数: 16

約数和(自身を含む): 84708000

約数和(自身を除く): 17867045

約数列:

[1, 5, 19, 95, 361, 1805, 1949, 6859, 9745, 34295, 37031, 185155, 703589, 3517945, 13368191, 66840955]

約数ペア:

[(1, 66840955), (5, 13368191), (19, 3517945), (95, 703589), (361, 185155), (1805, 37031), (1949, 34295), (6859, 9745)]