1388007916

素因数分解:

$2^2\times {\mathrm{431}}^1\times {\mathrm{805109}}^1$

素因数の和:805544

約数の個数: 12

約数和(自身を含む): 2434652640

約数和(自身を除く): 1046644724

約数列:

[1, 2, 4, 431, 862, 1724, 805109, 1610218, 3220436, 347001979, 694003958, 1388007916]

約数ペア:

[(1, 1388007916), (2, 694003958), (4, 347001979), (431, 3220436), (862, 1610218), (1724, 805109)]