81707794

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{11743}}^1$

素因数の和:11830

約数の個数: 24

約数和(自身を含む): 144592128

約数和(自身を除く): 62884334

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 3479, 6958, 11743, 23486, 82201, 164402, 575407, 833753, 1150814, 1667506, 5836271, 11672542, 40853897, 81707794]

約数ペア:

[(1, 81707794), (2, 40853897), (7, 11672542), (14, 5836271), (49, 1667506), (71, 1150814), (98, 833753), (142, 575407), (497, 164402), (994, 82201), (3479, 23486), (6958, 11743)]