2081891

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 2532864

約数和(自身を除く): 450973

約数列:

[1, 7, 23, 67, 161, 193, 469, 1351, 1541, 4439, 10787, 12931, 31073, 90517, 297413, 2081891]

約数ペア:

[(1, 2081891), (7, 297413), (23, 90517), (67, 31073), (161, 12931), (193, 10787), (469, 4439), (1351, 1541)]