31137547

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 38928384

約数和(自身を除く): 7790837

約数列:

[1, 7, 31, 43, 47, 71, 217, 301, 329, 497, 1333, 1457, 2021, 2201, 3053, 3337, 9331, 10199, 14147, 15407, 21371, 23359, 62651, 94643, 103447, 143491, 438557, 662501, 724129, 1004437, 4448221, 31137547]

約数ペア:

[(1, 31137547), (7, 4448221), (31, 1004437), (43, 724129), (47, 662501), (71, 438557), (217, 143491), (301, 103447), (329, 94643), (497, 62651), (1333, 23359), (1457, 21371), (2021, 15407), (2201, 14147), (3053, 10199), (3337, 9331)]