7987889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1439}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 9999360

約数和(自身を除く): 2011471

約数列:

[1, 7, 13, 61, 91, 427, 793, 1439, 5551, 10073, 18707, 87779, 130949, 614453, 1141127, 7987889]

約数ペア:

[(1, 7987889), (7, 1141127), (13, 614453), (61, 130949), (91, 87779), (427, 18707), (793, 10073), (1439, 5551)]