648576072

素因数分解:

$2^3\times 3^4\times {\mathrm{1000889}}^1$

素因数の和:1000907

約数の個数: 40

約数和(自身を含む): 1816615350

約数和(自身を除く): 1168039278

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1000889, 2001778, 3002667, 4003556, 6005334, 8007112, 9008001, 12010668, 18016002, 24021336, 27024003, 36032004, 54048006, 72064008, 81072009, 108096012, 162144018, 216192024, 324288036, 648576072]

約数ペア:

[(1, 648576072), (2, 324288036), (3, 216192024), (4, 162144018), (6, 108096012), (8, 81072009), (9, 72064008), (12, 54048006), (18, 36032004), (24, 27024003), (27, 24021336), (36, 18016002), (54, 12010668), (72, 9008001), (81, 8007112), (108, 6005334), (162, 4003556), (216, 3002667), (324, 2001778), (648, 1000889)]