1388479878

素因数分解:

$2^1\times 3^2\times {\mathrm{77137771}}^1$

素因数の和:77137779

約数の個数: 12

約数和(自身を含む): 3008373108

約数和(自身を除く): 1619893230

約数列:

[1, 2, 3, 6, 9, 18, 77137771, 154275542, 231413313, 462826626, 694239939, 1388479878]

約数ペア:

[(1, 1388479878), (2, 694239939), (3, 462826626), (6, 231413313), (9, 154275542), (18, 77137771)]