1388261706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17798227}}^1$

素因数の和:17798245

約数の個数: 16

約数和(自身を含む): 2990102304

約数和(自身を除く): 1601840598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 17798227, 35596454, 53394681, 106789362, 231376951, 462753902, 694130853, 1388261706]

約数ペア:

[(1, 1388261706), (2, 694130853), (3, 462753902), (6, 231376951), (13, 106789362), (26, 53394681), (39, 35596454), (78, 17798227)]