81505666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{41627}}^1$

素因数の和:41729

約数の個数: 16

約数和(自身を含む): 134874720

約数和(自身を除く): 53369054

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 41627, 83254, 457897, 915794, 3704803, 7409606, 40752833, 81505666]

約数ペア:

[(1, 81505666), (2, 40752833), (11, 7409606), (22, 3704803), (89, 915794), (178, 457897), (979, 83254), (1958, 41627)]