289293524

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{427949}}^1$

素因数の和:427979

約数の個数: 18

約数和(自身を含む): 548203950

約数和(自身を除く): 258910426

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 427949, 855898, 1711796, 5563337, 11126674, 22253348, 72323381, 144646762, 289293524]

約数ペア:

[(1, 289293524), (2, 144646762), (4, 72323381), (13, 22253348), (26, 11126674), (52, 5563337), (169, 1711796), (338, 855898), (676, 427949)]