28081224

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 79672320

約数和(自身を除く): 51591096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 83, 111, 127, 148, 166, 222, 249, 254, 296, 332, 333, 381, 444, 498, 508, 664, 666, 747, 762, 888, 996, 1016, 1143, 1332, 1494, 1524, 1992, 2286, 2664, 2988, 3048, 3071, 4572, 4699, 5976, 6142, 9144, 9213, 9398, 10541, 12284, 14097, 18426, 18796, 21082, 24568, 27639, 28194, 31623, 36852, 37592, 42164, 42291, 55278, 56388, 63246, 73704, 84328, 84582, 94869, 110556, 112776, 126492, 169164, 189738, 221112, 252984, 338328, 379476, 390017, 758952, 780034, 1170051, 1560068, 2340102, 3120136, 3510153, 4680204, 7020306, 9360408, 14040612, 28081224]

約数ペア:

[(1, 28081224), (2, 14040612), (3, 9360408), (4, 7020306), (6, 4680204), (8, 3510153), (9, 3120136), (12, 2340102), (18, 1560068), (24, 1170051), (36, 780034), (37, 758952), (72, 390017), (74, 379476), (83, 338328), (111, 252984), (127, 221112), (148, 189738), (166, 169164), (222, 126492), (249, 112776), (254, 110556), (296, 94869), (332, 84582), (333, 84328), (381, 73704), (444, 63246), (498, 56388), (508, 55278), (664, 42291), (666, 42164), (747, 37592), (762, 36852), (888, 31623), (996, 28194), (1016, 27639), (1143, 24568), (1332, 21082), (1494, 18796), (1524, 18426), (1992, 14097), (2286, 12284), (2664, 10541), (2988, 9398), (3048, 9213), (3071, 9144), (4572, 6142), (4699, 5976)]