28690039

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{25457}}^1$

素因数の和:25494

約数の個数: 12

約数和(自身を含む): 34826544

約数和(自身を除く): 6136505

約数列:

[1, 7, 23, 49, 161, 1127, 25457, 178199, 585511, 1247393, 4098577, 28690039]

約数ペア:

[(1, 28690039), (7, 4098577), (23, 1247393), (49, 585511), (161, 178199), (1127, 25457)]