17972689

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7949}}^1$

素因数の和:7992

約数の個数: 16

約数和(自身を含む): 22896000

約数和(自身を除く): 4923311

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 7949, 55643, 135133, 151031, 945931, 1057217, 2567527, 17972689]

約数ペア:

[(1, 17972689), (7, 2567527), (17, 1057217), (19, 945931), (119, 151031), (133, 135133), (323, 55643), (2261, 7949)]