221470868

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{779827}}^1$

素因数の和:779902

約数の個数: 12

約数和(自身を含む): 393033312

約数和(自身を除く): 171562444

約数列:

[1, 2, 4, 71, 142, 284, 779827, 1559654, 3119308, 55367717, 110735434, 221470868]

約数ペア:

[(1, 221470868), (2, 110735434), (4, 55367717), (71, 3119308), (142, 1559654), (284, 779827)]