78567981

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{5381}}^1$

素因数の和:5572

約数の個数: 16

約数和(自身を含む): 108845568

約数和(自身を除く): 30277587

約数列:

[1, 3, 31, 93, 157, 471, 4867, 5381, 14601, 16143, 166811, 500433, 844817, 2534451, 26189327, 78567981]

約数ペア:

[(1, 78567981), (3, 26189327), (31, 2534451), (93, 844817), (157, 500433), (471, 166811), (4867, 16143), (5381, 14601)]