2171878225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{168037}}^1$

素因数の和:168105

約数の個数: 24

約数和(自身を含む): 3000486528

約数和(自身を除く): 828608303

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2585, 12925, 168037, 840185, 1848407, 4200925, 7897739, 9242035, 39488695, 46210175, 86875129, 197443475, 434375645, 2171878225]

約数ペア:

[(1, 2171878225), (5, 434375645), (11, 197443475), (25, 86875129), (47, 46210175), (55, 39488695), (235, 9242035), (275, 7897739), (517, 4200925), (1175, 1848407), (2585, 840185), (12925, 168037)]