28372330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{991}}^1$

素因数の和:1414

約数の個数: 32

約数和(自身を含む): 58567680

約数和(自身を除く): 30195350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 991, 1982, 2045, 2863, 4090, 4955, 5726, 6937, 9910, 13874, 14315, 28630, 34685, 69370, 405319, 810638, 2026595, 2837233, 4053190, 5674466, 14186165, 28372330]

約数ペア:

[(1, 28372330), (2, 14186165), (5, 5674466), (7, 4053190), (10, 2837233), (14, 2026595), (35, 810638), (70, 405319), (409, 69370), (818, 34685), (991, 28630), (1982, 14315), (2045, 13874), (2863, 9910), (4090, 6937), (4955, 5726)]