28312752

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 84206416

約数和(自身を除く): 55893664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 157, 204, 208, 221, 272, 289, 312, 314, 408, 442, 471, 578, 624, 628, 663, 816, 867, 884, 942, 1156, 1256, 1326, 1734, 1768, 1884, 2041, 2312, 2512, 2652, 2669, 3468, 3536, 3757, 3768, 4082, 4624, 5304, 5338, 6123, 6936, 7514, 7536, 8007, 8164, 10608, 10676, 11271, 12246, 13872, 15028, 16014, 16328, 21352, 22542, 24492, 30056, 32028, 32656, 34697, 42704, 45084, 45373, 48984, 60112, 64056, 69394, 90168, 90746, 97968, 104091, 128112, 136119, 138788, 180336, 181492, 208182, 272238, 277576, 362984, 416364, 544476, 555152, 589849, 725968, 832728, 1088952, 1179698, 1665456, 1769547, 2177904, 2359396, 3539094, 4718792, 7078188, 9437584, 14156376, 28312752]

約数ペア:

[(1, 28312752), (2, 14156376), (3, 9437584), (4, 7078188), (6, 4718792), (8, 3539094), (12, 2359396), (13, 2177904), (16, 1769547), (17, 1665456), (24, 1179698), (26, 1088952), (34, 832728), (39, 725968), (48, 589849), (51, 555152), (52, 544476), (68, 416364), (78, 362984), (102, 277576), (104, 272238), (136, 208182), (156, 181492), (157, 180336), (204, 138788), (208, 136119), (221, 128112), (272, 104091), (289, 97968), (312, 90746), (314, 90168), (408, 69394), (442, 64056), (471, 60112), (578, 48984), (624, 45373), (628, 45084), (663, 42704), (816, 34697), (867, 32656), (884, 32028), (942, 30056), (1156, 24492), (1256, 22542), (1326, 21352), (1734, 16328), (1768, 16014), (1884, 15028), (2041, 13872), (2312, 12246), (2512, 11271), (2652, 10676), (2669, 10608), (3468, 8164), (3536, 8007), (3757, 7536), (3768, 7514), (4082, 6936), (4624, 6123), (5304, 5338)]