28188986

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{69431}}^1$

素因数の和:69469

約数の個数: 16

約数和(自身を含む): 49991040

約数和(自身を除く): 21802054

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 69431, 138862, 486017, 972034, 2013499, 4026998, 14094493, 28188986]

約数ペア:

[(1, 28188986), (2, 14094493), (7, 4026998), (14, 2013499), (29, 972034), (58, 486017), (203, 138862), (406, 69431)]