2220121255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{4973}}^1\times {\mathrm{8117}}^1$

素因数の和:13106

約数の個数: 16

約数和(自身を含む): 2907283104

約数和(自身を除く): 687161849

約数列:

[1, 5, 11, 55, 4973, 8117, 24865, 40585, 54703, 89287, 273515, 446435, 40365841, 201829205, 444024251, 2220121255]

約数ペア:

[(1, 2220121255), (5, 444024251), (11, 201829205), (55, 40365841), (4973, 446435), (8117, 273515), (24865, 89287), (40585, 54703)]