12732785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 17418240

約数和(自身を除く): 4685455

約数列:

[1, 5, 13, 31, 65, 71, 89, 155, 355, 403, 445, 923, 1157, 2015, 2201, 2759, 4615, 5785, 6319, 11005, 13795, 28613, 31595, 35867, 82147, 143065, 179335, 195889, 410735, 979445, 2546557, 12732785]

約数ペア:

[(1, 12732785), (5, 2546557), (13, 979445), (31, 410735), (65, 195889), (71, 179335), (89, 143065), (155, 82147), (355, 35867), (403, 31595), (445, 28613), (923, 13795), (1157, 11005), (2015, 6319), (2201, 5785), (2759, 4615)]