289319812

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{399613}}^1$

素因数の和:399798

約数の個数: 12

約数和(自身を含む): 509108236

約数和(自身を除く): 219788424

約数列:

[1, 2, 4, 181, 362, 724, 399613, 799226, 1598452, 72329953, 144659906, 289319812]

約数ペア:

[(1, 289319812), (2, 144659906), (4, 72329953), (181, 1598452), (362, 799226), (724, 399613)]