1081403028

素因数分解:

$2^2\times 3^3\times {\mathrm{1999}}^1\times {\mathrm{5009}}^1$

素因数の和:7021

約数の個数: 48

約数和(自身を含む): 2805600000

約数和(自身を除く): 1724196972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 1999, 3998, 5009, 5997, 7996, 10018, 11994, 15027, 17991, 20036, 23988, 30054, 35982, 45081, 53973, 60108, 71964, 90162, 107946, 135243, 180324, 215892, 270486, 540972, 10012991, 20025982, 30038973, 40051964, 60077946, 90116919, 120155892, 180233838, 270350757, 360467676, 540701514, 1081403028]

約数ペア:

[(1, 1081403028), (2, 540701514), (3, 360467676), (4, 270350757), (6, 180233838), (9, 120155892), (12, 90116919), (18, 60077946), (27, 40051964), (36, 30038973), (54, 20025982), (108, 10012991), (1999, 540972), (3998, 270486), (5009, 215892), (5997, 180324), (7996, 135243), (10018, 107946), (11994, 90162), (15027, 71964), (17991, 60108), (20036, 53973), (23988, 45081), (30054, 35982)]