1580494916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{394729}}^1$

素因数の和:394764

約数の個数: 48

約数和(自身を含む): 3713619840

約数和(自身を除く): 2133124924

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 394729, 789458, 1578916, 2763103, 4342019, 5131477, 5526206, 8684038, 10262954, 11052412, 17368076, 20525908, 30394133, 35920339, 56446247, 60788266, 71840678, 112892494, 121576532, 143681356, 225784988, 395123729, 790247458, 1580494916]

約数ペア:

[(1, 1580494916), (2, 790247458), (4, 395123729), (7, 225784988), (11, 143681356), (13, 121576532), (14, 112892494), (22, 71840678), (26, 60788266), (28, 56446247), (44, 35920339), (52, 30394133), (77, 20525908), (91, 17368076), (143, 11052412), (154, 10262954), (182, 8684038), (286, 5526206), (308, 5131477), (364, 4342019), (572, 2763103), (1001, 1578916), (2002, 789458), (4004, 394729)]