81757195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{11131}}^1$

素因数の和:11262

約数の個数: 16

約数和(自身を含む): 106600032

約数和(自身を除く): 24842837

約数列:

[1, 5, 13, 65, 113, 565, 1469, 7345, 11131, 55655, 144703, 723515, 1257803, 6289015, 16351439, 81757195]

約数ペア:

[(1, 81757195), (5, 16351439), (13, 6289015), (65, 1257803), (113, 723515), (565, 144703), (1469, 55655), (7345, 11131)]