28679105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63031}}^1$

素因数の和:63056

約数の個数: 16

約数和(自身を含む): 42357504

約数和(自身を除く): 13678399

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63031, 315155, 441217, 819403, 2206085, 4097015, 5735821, 28679105]

約数ペア:

[(1, 28679105), (5, 5735821), (7, 4097015), (13, 2206085), (35, 819403), (65, 441217), (91, 315155), (455, 63031)]