9992255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21986

約数の個数: 16

約数和(自身を含む): 14758464

約数和(自身を除く): 4766209

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 21961, 109805, 153727, 285493, 768635, 1427465, 1998451, 9992255]

約数ペア:

[(1, 9992255), (5, 1998451), (7, 1427465), (13, 768635), (35, 285493), (65, 153727), (91, 109805), (455, 21961)]