28697774

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28871}}^1$

素因数の和:28951

約数の個数: 16

約数和(自身を含む): 49890816

約数和(自身を除く): 21193042

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 28871, 57742, 202097, 404194, 2049841, 4099682, 14348887, 28697774]

約数ペア:

[(1, 28697774), (2, 14348887), (7, 4099682), (14, 2049841), (71, 404194), (142, 202097), (497, 57742), (994, 28871)]