12805715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10369}}^1$

素因数の和:10406

約数の個数: 16

約数和(自身を含む): 17421600

約数和(自身を除く): 4615885

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 10369, 51845, 134797, 197011, 673985, 985055, 2561143, 12805715]

約数ペア:

[(1, 12805715), (5, 2561143), (13, 985055), (19, 673985), (65, 197011), (95, 134797), (247, 51845), (1235, 10369)]