161963116

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{25939}}^1$

素因数の和:26173

約数の個数: 24

約数和(自身を含む): 325391360

約数和(自身を除く): 163428244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 25939, 51878, 103756, 181573, 363146, 726292, 5784397, 11568794, 23137588, 40490779, 80981558, 161963116]

約数ペア:

[(1, 161963116), (2, 80981558), (4, 40490779), (7, 23137588), (14, 11568794), (28, 5784397), (223, 726292), (446, 363146), (892, 181573), (1561, 103756), (3122, 51878), (6244, 25939)]