289385789

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197803}}^1$

素因数の和:197840

約数の個数: 16

約数和(自身を含む): 379783680

約数和(自身を除く): 90397891

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 197803, 1384621, 2175833, 3758257, 15230831, 26307799, 41340827, 289385789]

約数ペア:

[(1, 289385789), (7, 41340827), (11, 26307799), (19, 15230831), (77, 3758257), (133, 2175833), (209, 1384621), (1463, 197803)]