28440072

素因数分解:

$2^3\times 3^4\times {\mathrm{43889}}^1$

素因数の和:43907

約数の個数: 40

約数和(自身を含む): 79660350

約数和(自身を除く): 51220278

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 43889, 87778, 131667, 175556, 263334, 351112, 395001, 526668, 790002, 1053336, 1185003, 1580004, 2370006, 3160008, 3555009, 4740012, 7110018, 9480024, 14220036, 28440072]

約数ペア:

[(1, 28440072), (2, 14220036), (3, 9480024), (4, 7110018), (6, 4740012), (8, 3555009), (9, 3160008), (12, 2370006), (18, 1580004), (24, 1185003), (27, 1053336), (36, 790002), (54, 526668), (72, 395001), (81, 351112), (108, 263334), (162, 175556), (216, 131667), (324, 87778), (648, 43889)]