28718861

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 31248000

約数和(自身を除く): 2529139

約数列:

[1, 19, 61, 71, 349, 1159, 1349, 4331, 6631, 21289, 24779, 82289, 404491, 470801, 1511519, 28718861]

約数ペア:

[(1, 28718861), (19, 1511519), (61, 470801), (71, 404491), (349, 82289), (1159, 24779), (1349, 21289), (4331, 6631)]