201988871

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1\times {\mathrm{647}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 233985024

約数和(自身を除く): 31996153

約数列:

[1, 7, 103, 433, 647, 721, 3031, 4529, 44599, 66641, 280151, 312193, 466487, 1961057, 28855553, 201988871]

約数ペア:

[(1, 201988871), (7, 28855553), (103, 1961057), (433, 466487), (647, 312193), (721, 280151), (3031, 66641), (4529, 44599)]