201666899

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 244666800

約数和(自身を除く): 42999901

約数列:

[1, 7, 29, 49, 139, 203, 973, 1021, 1421, 4031, 6811, 7147, 28217, 29609, 50029, 141919, 197519, 207263, 993433, 1450841, 4115651, 6954031, 28809557, 201666899]

約数ペア:

[(1, 201666899), (7, 28809557), (29, 6954031), (49, 4115651), (139, 1450841), (203, 993433), (973, 207263), (1021, 197519), (1421, 141919), (4031, 50029), (6811, 29609), (7147, 28217)]