2982137305

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{640631}}^1$

素因数の和:640669

約数の個数: 24

約数和(自身を含む): 4381922880

約数和(自身を除く): 1399785575

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 640631, 3203155, 4484417, 12171989, 22422085, 31390919, 60859945, 85203923, 156954595, 426019615, 596427461, 2982137305]

約数ペア:

[(1, 2982137305), (5, 596427461), (7, 426019615), (19, 156954595), (35, 85203923), (49, 60859945), (95, 31390919), (133, 22422085), (245, 12171989), (665, 4484417), (931, 3203155), (4655, 640631)]