12997904

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1229}}^1$

素因数の和:1898

約数の個数: 20

約数和(自身を含む): 25242060

約数和(自身を除く): 12244156

約数列:

[1, 2, 4, 8, 16, 661, 1229, 1322, 2458, 2644, 4916, 5288, 9832, 10576, 19664, 812369, 1624738, 3249476, 6498952, 12997904]

約数ペア:

[(1, 12997904), (2, 6498952), (4, 3249476), (8, 1624738), (16, 812369), (661, 19664), (1229, 10576), (1322, 9832), (2458, 5288), (2644, 4916)]