71892036

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2055

約数の個数: 72

約数和(自身を含む): 193648000

約数和(自身を除く): 121755964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 666, 972, 999, 1332, 1998, 1999, 2997, 3996, 3998, 5994, 5997, 7996, 8991, 11988, 11994, 17982, 17991, 23988, 35964, 35982, 53973, 71964, 73963, 107946, 147926, 161919, 215892, 221889, 295852, 323838, 443778, 485757, 647676, 665667, 887556, 971514, 1331334, 1943028, 1997001, 2662668, 3994002, 5991003, 7988004, 11982006, 17973009, 23964012, 35946018, 71892036]

約数ペア:

[(1, 71892036), (2, 35946018), (3, 23964012), (4, 17973009), (6, 11982006), (9, 7988004), (12, 5991003), (18, 3994002), (27, 2662668), (36, 1997001), (37, 1943028), (54, 1331334), (74, 971514), (81, 887556), (108, 665667), (111, 647676), (148, 485757), (162, 443778), (222, 323838), (243, 295852), (324, 221889), (333, 215892), (444, 161919), (486, 147926), (666, 107946), (972, 73963), (999, 71964), (1332, 53973), (1998, 35982), (1999, 35964), (2997, 23988), (3996, 17991), (3998, 17982), (5994, 11994), (5997, 11988), (7996, 8991)]