9781079

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2153}}^1$

素因数の和:2230

約数の個数: 16

約数和(自身を含む): 12407040

約数和(自身を除く): 2625961

約数列:

[1, 7, 11, 59, 77, 413, 649, 2153, 4543, 15071, 23683, 127027, 165781, 889189, 1397297, 9781079]

約数ペア:

[(1, 9781079), (7, 1397297), (11, 889189), (59, 165781), (77, 127027), (413, 23683), (649, 15071), (2153, 4543)]