199989724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{20023}}^1$

素因数の和:20265

約数の個数: 24

約数和(自身を含む): 383499648

約数和(自身を除く): 183509924

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 2497, 4994, 9988, 20023, 40046, 80092, 220253, 440506, 881012, 4545221, 9090442, 18180884, 49997431, 99994862, 199989724]

約数ペア:

[(1, 199989724), (2, 99994862), (4, 49997431), (11, 18180884), (22, 9090442), (44, 4545221), (227, 881012), (454, 440506), (908, 220253), (2497, 80092), (4994, 40046), (9988, 20023)]