68878804

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{857}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 122810688

約数和(自身を除く): 53931884

約数列:

[1, 2, 4, 71, 142, 283, 284, 566, 857, 1132, 1714, 3428, 20093, 40186, 60847, 80372, 121694, 242531, 243388, 485062, 970124, 17219701, 34439402, 68878804]

約数ペア:

[(1, 68878804), (2, 34439402), (4, 17219701), (71, 970124), (142, 485062), (283, 243388), (284, 242531), (566, 121694), (857, 80372), (1132, 60847), (1714, 40186), (3428, 20093)]