8490251

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 10741248

約数和(自身を除く): 2250997

約数列:

[1, 7, 11, 71, 77, 497, 781, 1553, 5467, 10871, 17083, 110263, 119581, 771841, 1212893, 8490251]

約数ペア:

[(1, 8490251), (7, 1212893), (11, 771841), (71, 119581), (77, 110263), (497, 17083), (781, 10871), (1553, 5467)]