201990756821

素因数分解:

$7^1\times {\mathrm{563}}^1\times {\mathrm{2957}}^1\times {\mathrm{17333}}^1$

素因数の和:20860

約数の個数: 16

約数和(自身を含む): 231348161664

約数和(自身を除く): 29357404843

約数列:

[1, 7, 563, 2957, 3941, 17333, 20699, 121331, 1664791, 9758479, 11653537, 51253681, 68309353, 358775767, 28855822403, 201990756821]

約数ペア:

[(1, 201990756821), (7, 28855822403), (563, 358775767), (2957, 68309353), (3941, 51253681), (17333, 11653537), (20699, 9758479), (121331, 1664791)]