12897616

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19661}}^1$

素因数の和:19710

約数の個数: 20

約数和(自身を含む): 25599924

約数和(自身を除く): 12702308

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19661, 39322, 78644, 157288, 314576, 806101, 1612202, 3224404, 6448808, 12897616]

約数ペア:

[(1, 12897616), (2, 6448808), (4, 3224404), (8, 1612202), (16, 806101), (41, 314576), (82, 157288), (164, 78644), (328, 39322), (656, 19661)]