400018049348

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{1265879903}}^1$

素因数の和:1265879986

約数の個数: 12

約数和(自身を含む): 708892746240

約数和(自身を除く): 308874696892

約数列:

[1, 2, 4, 79, 158, 316, 1265879903, 2531759806, 5063519612, 100004512337, 200009024674, 400018049348]

約数ペア:

[(1, 400018049348), (2, 200009024674), (4, 100004512337), (79, 5063519612), (158, 2531759806), (316, 1265879903)]