197666819

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{19381}}^1$

素因数の和:19466

約数の個数: 16

約数和(自身を含む): 238166016

約数和(自身を除く): 40499197

約数列:

[1, 7, 31, 47, 217, 329, 1457, 10199, 19381, 135667, 600811, 910907, 4205677, 6376349, 28238117, 197666819]

約数ペア:

[(1, 197666819), (7, 28238117), (31, 6376349), (47, 4205677), (217, 910907), (329, 600811), (1457, 135667), (10199, 19381)]