289778032

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{421189}}^1$

素因数の和:421240

約数の個数: 20

約数和(自身を含む): 574503160

約数和(自身を除く): 284725128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 421189, 842378, 1684756, 3369512, 6739024, 18111127, 36222254, 72444508, 144889016, 289778032]

約数ペア:

[(1, 289778032), (2, 144889016), (4, 72444508), (8, 36222254), (16, 18111127), (43, 6739024), (86, 3369512), (172, 1684756), (344, 842378), (688, 421189)]