199794805

素因数分解:

$5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{5003}}^1$

素因数の和:5185

約数の個数: 24

約数和(自身を含む): 280664352

約数和(自身を除く): 80869547

約数列:

[1, 5, 7, 35, 49, 163, 245, 815, 1141, 5003, 5705, 7987, 25015, 35021, 39935, 175105, 245147, 815489, 1225735, 4077445, 5708423, 28542115, 39958961, 199794805]

約数ペア:

[(1, 199794805), (5, 39958961), (7, 28542115), (35, 5708423), (49, 4077445), (163, 1225735), (245, 815489), (815, 245147), (1141, 175105), (5003, 39935), (5705, 35021), (7987, 25015)]