81925319

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{911}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 97182720

約数和(自身を除く): 15257401

約数列:

[1, 7, 29, 203, 443, 911, 3101, 6377, 12847, 26419, 89929, 184933, 403573, 2825011, 11703617, 81925319]

約数ペア:

[(1, 81925319), (7, 11703617), (29, 2825011), (203, 403573), (443, 184933), (911, 89929), (3101, 26419), (6377, 12847)]