1388898078

素因数分解:

$2^1\times 3^1\times {\mathrm{647}}^1\times {\mathrm{357779}}^1$

素因数の和:358431

約数の個数: 16

約数和(自身を含む): 2782097280

約数和(自身を除く): 1393199202

約数列:

[1, 2, 3, 6, 647, 1294, 1941, 3882, 357779, 715558, 1073337, 2146674, 231483013, 462966026, 694449039, 1388898078]

約数ペア:

[(1, 1388898078), (2, 694449039), (3, 462966026), (6, 231483013), (647, 2146674), (1294, 1073337), (1941, 715558), (3882, 357779)]