2019978205

素因数分解:

$5^1\times 7^2\times {\mathrm{1459}}^1\times {\mathrm{5651}}^1$

素因数の和:7129

約数の個数: 24

約数和(自身を含む): 2822156640

約数和(自身を除く): 802178435

約数列:

[1, 5, 7, 35, 49, 245, 1459, 5651, 7295, 10213, 28255, 39557, 51065, 71491, 197785, 276899, 357455, 1384495, 8244809, 41224045, 57713663, 288568315, 403995641, 2019978205]

約数ペア:

[(1, 2019978205), (5, 403995641), (7, 288568315), (35, 57713663), (49, 41224045), (245, 8244809), (1459, 1384495), (5651, 357455), (7295, 276899), (10213, 197785), (28255, 71491), (39557, 51065)]