28280644

素因数分解:

$2^2\times 7^2\times {\mathrm{144289}}^1$

素因数の和:144307

約数の個数: 18

約数和(自身を含む): 57571710

約数和(自身を除く): 29291066

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 144289, 288578, 577156, 1010023, 2020046, 4040092, 7070161, 14140322, 28280644]

約数ペア:

[(1, 28280644), (2, 14140322), (4, 7070161), (7, 4040092), (14, 2020046), (28, 1010023), (49, 577156), (98, 288578), (196, 144289)]