81691024

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{124529}}^1$

素因数の和:124578

約数の個数: 20

約数和(自身を含む): 162138060

約数和(自身を除く): 80447036

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 124529, 249058, 498116, 996232, 1992464, 5105689, 10211378, 20422756, 40845512, 81691024]

約数ペア:

[(1, 81691024), (2, 40845512), (4, 20422756), (8, 10211378), (16, 5105689), (41, 1992464), (82, 996232), (164, 498116), (328, 249058), (656, 124529)]