8490307

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 10100992

約数和(自身を除く): 1610685

約数列:

[1, 7, 43, 67, 301, 421, 469, 2881, 2947, 18103, 20167, 28207, 126721, 197449, 1212901, 8490307]

約数ペア:

[(1, 8490307), (7, 1212901), (43, 197449), (67, 126721), (301, 28207), (421, 20167), (469, 18103), (2881, 2947)]