1818702985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{5233}}^1$

素因数の和:5409

約数の個数: 32

約数和(自身を含む): 2441975040

約数和(自身を除く): 623272055

約数列:

[1, 5, 11, 55, 71, 89, 355, 445, 781, 979, 3905, 4895, 5233, 6319, 26165, 31595, 57563, 69509, 287815, 347545, 371543, 465737, 1857715, 2328685, 4086973, 5123107, 20434865, 25615535, 33067327, 165336635, 363740597, 1818702985]

約数ペア:

[(1, 1818702985), (5, 363740597), (11, 165336635), (55, 33067327), (71, 25615535), (89, 20434865), (355, 5123107), (445, 4086973), (781, 2328685), (979, 1857715), (3905, 465737), (4895, 371543), (5233, 347545), (6319, 287815), (26165, 69509), (31595, 57563)]