549999556

素因数分解:

$2^2\times {\mathrm{2221}}^1\times {\mathrm{61909}}^1$

素因数の和:64134

約数の個数: 12

約数和(自身を含む): 962948140

約数和(自身を除く): 412948584

約数列:

[1, 2, 4, 2221, 4442, 8884, 61909, 123818, 247636, 137499889, 274999778, 549999556]

約数ペア:

[(1, 549999556), (2, 274999778), (4, 137499889), (2221, 247636), (4442, 123818), (8884, 61909)]