28204069972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{970279}}^1$

素因数の和:970352

約数の個数: 36

約数和(自身を含む): 54688861920

約数和(自身を除く): 26484791948

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 338, 559, 676, 1118, 2236, 7267, 14534, 29068, 970279, 1940558, 3881116, 12613627, 25227254, 41721997, 50454508, 83443994, 163977151, 166887988, 327954302, 542385961, 655908604, 1084771922, 2169543844, 7051017493, 14102034986, 28204069972]

約数ペア:

[(1, 28204069972), (2, 14102034986), (4, 7051017493), (13, 2169543844), (26, 1084771922), (43, 655908604), (52, 542385961), (86, 327954302), (169, 166887988), (172, 163977151), (338, 83443994), (559, 50454508), (676, 41721997), (1118, 25227254), (2236, 12613627), (7267, 3881116), (14534, 1940558), (29068, 970279)]