12587519

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 16220160

約数和(自身を除く): 3632641

約数列:

[1, 7, 19, 31, 43, 71, 133, 217, 301, 497, 589, 817, 1333, 1349, 2201, 3053, 4123, 5719, 9331, 9443, 15407, 21371, 25327, 41819, 58007, 94643, 177289, 292733, 406049, 662501, 1798217, 12587519]

約数ペア:

[(1, 12587519), (7, 1798217), (19, 662501), (31, 406049), (43, 292733), (71, 177289), (133, 94643), (217, 58007), (301, 41819), (497, 25327), (589, 21371), (817, 15407), (1333, 9443), (1349, 9331), (2201, 5719), (3053, 4123)]