68407556

素因数分解:

$2^2\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{2203}}^1$

素因数の和:3323

約数の個数: 24

約数和(自身を含む): 137000640

約数和(自身を除く): 68593084

約数列:

[1, 2, 4, 7, 14, 28, 1109, 2203, 2218, 4406, 4436, 7763, 8812, 15421, 15526, 30842, 31052, 61684, 2443127, 4886254, 9772508, 17101889, 34203778, 68407556]

約数ペア:

[(1, 68407556), (2, 34203778), (4, 17101889), (7, 9772508), (14, 4886254), (28, 2443127), (1109, 61684), (2203, 31052), (2218, 30842), (4406, 15526), (4436, 15421), (7763, 8812)]