805838545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{19681}}^1$

素因数の和:20136

約数の個数: 16

約数和(自身を含む): 1020314880

約数和(自身を除く): 214476335

約数列:

[1, 5, 19, 95, 431, 2155, 8189, 19681, 40945, 98405, 373939, 1869695, 8482511, 42412555, 161167709, 805838545]

約数ペア:

[(1, 805838545), (5, 161167709), (19, 42412555), (95, 8482511), (431, 1869695), (2155, 373939), (8189, 98405), (19681, 40945)]