28471872

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 224

約数和(自身を含む): 95243904

約数和(自身を除く): 66772032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 17, 22, 24, 26, 32, 33, 34, 39, 44, 48, 51, 52, 61, 64, 66, 68, 78, 88, 96, 102, 104, 122, 132, 136, 143, 156, 176, 183, 187, 192, 204, 208, 221, 244, 264, 272, 286, 312, 352, 366, 374, 408, 416, 429, 442, 488, 528, 544, 561, 572, 624, 663, 671, 704, 732, 748, 793, 816, 832, 858, 884, 976, 1037, 1056, 1088, 1122, 1144, 1248, 1326, 1342, 1464, 1496, 1586, 1632, 1716, 1768, 1952, 2013, 2074, 2112, 2244, 2288, 2379, 2431, 2496, 2652, 2684, 2928, 2992, 3111, 3172, 3264, 3432, 3536, 3904, 4026, 4148, 4488, 4576, 4758, 4862, 5304, 5368, 5856, 5984, 6222, 6344, 6864, 7072, 7293, 8052, 8296, 8723, 8976, 9152, 9516, 9724, 10608, 10736, 11407, 11712, 11968, 12444, 12688, 13481, 13728, 14144, 14586, 16104, 16592, 17446, 17952, 19032, 19448, 21216, 21472, 22814, 24888, 25376, 26169, 26962, 27456, 29172, 32208, 33184, 34221, 34892, 35904, 38064, 38896, 40443, 42432, 42944, 45628, 49776, 50752, 52338, 53924, 58344, 64416, 66368, 68442, 69784, 76128, 77792, 80886, 91256, 99552, 104676, 107848, 116688, 128832, 136884, 139568, 148291, 152256, 155584, 161772, 182512, 199104, 209352, 215696, 233376, 273768, 279136, 296582, 323544, 365024, 418704, 431392, 444873, 466752, 547536, 558272, 593164, 647088, 730048, 837408, 862784, 889746, 1095072, 1186328, 1294176, 1674816, 1779492, 2190144, 2372656, 2588352, 3558984, 4745312, 7117968, 9490624, 14235936, 28471872]

約数ペア:

[(1, 28471872), (2, 14235936), (3, 9490624), (4, 7117968), (6, 4745312), (8, 3558984), (11, 2588352), (12, 2372656), (13, 2190144), (16, 1779492), (17, 1674816), (22, 1294176), (24, 1186328), (26, 1095072), (32, 889746), (33, 862784), (34, 837408), (39, 730048), (44, 647088), (48, 593164), (51, 558272), (52, 547536), (61, 466752), (64, 444873), (66, 431392), (68, 418704), (78, 365024), (88, 323544), (96, 296582), (102, 279136), (104, 273768), (122, 233376), (132, 215696), (136, 209352), (143, 199104), (156, 182512), (176, 161772), (183, 155584), (187, 152256), (192, 148291), (204, 139568), (208, 136884), (221, 128832), (244, 116688), (264, 107848), (272, 104676), (286, 99552), (312, 91256), (352, 80886), (366, 77792), (374, 76128), (408, 69784), (416, 68442), (429, 66368), (442, 64416), (488, 58344), (528, 53924), (544, 52338), (561, 50752), (572, 49776), (624, 45628), (663, 42944), (671, 42432), (704, 40443), (732, 38896), (748, 38064), (793, 35904), (816, 34892), (832, 34221), (858, 33184), (884, 32208), (976, 29172), (1037, 27456), (1056, 26962), (1088, 26169), (1122, 25376), (1144, 24888), (1248, 22814), (1326, 21472), (1342, 21216), (1464, 19448), (1496, 19032), (1586, 17952), (1632, 17446), (1716, 16592), (1768, 16104), (1952, 14586), (2013, 14144), (2074, 13728), (2112, 13481), (2244, 12688), (2288, 12444), (2379, 11968), (2431, 11712), (2496, 11407), (2652, 10736), (2684, 10608), (2928, 9724), (2992, 9516), (3111, 9152), (3172, 8976), (3264, 8723), (3432, 8296), (3536, 8052), (3904, 7293), (4026, 7072), (4148, 6864), (4488, 6344), (4576, 6222), (4758, 5984), (4862, 5856), (5304, 5368)]