201990512971

素因数分解:

${\mathrm{13}}^1\times {\mathrm{2221}}^1\times {\mathrm{2281}}^1\times {\mathrm{3067}}^1$

素因数の和:7582

約数の個数: 16

約数和(自身を含む): 217792583008

約数和(自身を除く): 15802070037

約数列:

[1, 13, 2221, 2281, 3067, 28873, 29653, 39871, 5066101, 6811807, 6995827, 65859313, 88553491, 90945751, 15537731767, 201990512971]

約数ペア:

[(1, 201990512971), (13, 15537731767), (2221, 90945751), (2281, 88553491), (3067, 65859313), (28873, 6995827), (29653, 6811807), (39871, 5066101)]