661097761

素因数分解:

${\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{1297}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 705073600

約数和(自身を除く): 43975839

約数列:

[1, 19, 139, 193, 1297, 2641, 3667, 24643, 26827, 180283, 250321, 509713, 3425377, 4756099, 34794619, 661097761]

約数ペア:

[(1, 661097761), (19, 34794619), (139, 4756099), (193, 3425377), (1297, 509713), (2641, 250321), (3667, 180283), (24643, 26827)]