81140215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{11047}}^1$

素因数の和:11178

約数の個数: 16

約数和(自身を含む): 105795648

約数和(自身を除く): 24655433

約数列:

[1, 5, 13, 65, 113, 565, 1469, 7345, 11047, 55235, 143611, 718055, 1248311, 6241555, 16228043, 81140215]

約数ペア:

[(1, 81140215), (5, 16228043), (13, 6241555), (65, 1248311), (113, 718055), (565, 143611), (1469, 55235), (7345, 11047)]