1990332905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{882631}}^1$

素因数の和:882688

約数の個数: 16

約数和(自身を含む): 2669079168

約数和(自身を除く): 678746263

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 882631, 4413155, 9708941, 36187871, 48544705, 180939355, 398066581, 1990332905]

約数ペア:

[(1, 1990332905), (5, 398066581), (11, 180939355), (41, 48544705), (55, 36187871), (205, 9708941), (451, 4413155), (2255, 882631)]