16990195

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1350

約数の個数: 16

約数和(自身を含む): 21214368

約数和(自身を除く): 4224173

約数列:

[1, 5, 41, 67, 205, 335, 1237, 2747, 6185, 13735, 50717, 82879, 253585, 414395, 3398039, 16990195]

約数ペア:

[(1, 16990195), (5, 3398039), (41, 414395), (67, 253585), (205, 82879), (335, 50717), (1237, 13735), (2747, 6185)]