28291536

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:178

約数の個数: 240

約数和(自身を含む): 103993344

約数和(自身を除く): 75701808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 48, 51, 52, 56, 63, 68, 72, 78, 84, 91, 102, 104, 112, 117, 119, 126, 127, 136, 144, 153, 156, 168, 182, 204, 208, 221, 234, 238, 252, 254, 272, 273, 306, 312, 336, 357, 364, 381, 408, 442, 468, 476, 504, 508, 546, 612, 624, 663, 714, 728, 762, 816, 819, 884, 889, 936, 952, 1008, 1016, 1071, 1092, 1143, 1224, 1326, 1428, 1456, 1524, 1547, 1638, 1651, 1768, 1778, 1872, 1904, 1989, 2032, 2142, 2159, 2184, 2286, 2448, 2652, 2667, 2856, 3048, 3094, 3276, 3302, 3536, 3556, 3978, 4284, 4318, 4368, 4572, 4641, 4953, 5304, 5334, 5712, 6096, 6188, 6477, 6552, 6604, 7112, 7956, 8001, 8568, 8636, 9144, 9282, 9906, 10608, 10668, 11557, 12376, 12954, 13104, 13208, 13923, 14224, 14859, 15113, 15912, 16002, 17136, 17272, 18288, 18564, 19431, 19812, 21336, 23114, 24752, 25908, 26416, 27846, 28067, 29718, 30226, 31824, 32004, 34544, 34671, 37128, 38862, 39624, 42672, 45339, 46228, 51816, 55692, 56134, 59436, 60452, 64008, 69342, 74256, 77724, 79248, 84201, 90678, 92456, 103632, 104013, 111384, 112268, 118872, 120904, 128016, 136017, 138684, 155448, 168402, 181356, 184912, 196469, 208026, 222768, 224536, 237744, 241808, 252603, 272034, 277368, 310896, 336804, 362712, 392938, 416052, 449072, 505206, 544068, 554736, 589407, 673608, 725424, 785876, 832104, 1010412, 1088136, 1178814, 1347216, 1571752, 1664208, 1768221, 2020824, 2176272, 2357628, 3143504, 3536442, 4041648, 4715256, 7072884, 9430512, 14145768, 28291536]

約数ペア:

[(1, 28291536), (2, 14145768), (3, 9430512), (4, 7072884), (6, 4715256), (7, 4041648), (8, 3536442), (9, 3143504), (12, 2357628), (13, 2176272), (14, 2020824), (16, 1768221), (17, 1664208), (18, 1571752), (21, 1347216), (24, 1178814), (26, 1088136), (28, 1010412), (34, 832104), (36, 785876), (39, 725424), (42, 673608), (48, 589407), (51, 554736), (52, 544068), (56, 505206), (63, 449072), (68, 416052), (72, 392938), (78, 362712), (84, 336804), (91, 310896), (102, 277368), (104, 272034), (112, 252603), (117, 241808), (119, 237744), (126, 224536), (127, 222768), (136, 208026), (144, 196469), (153, 184912), (156, 181356), (168, 168402), (182, 155448), (204, 138684), (208, 136017), (221, 128016), (234, 120904), (238, 118872), (252, 112268), (254, 111384), (272, 104013), (273, 103632), (306, 92456), (312, 90678), (336, 84201), (357, 79248), (364, 77724), (381, 74256), (408, 69342), (442, 64008), (468, 60452), (476, 59436), (504, 56134), (508, 55692), (546, 51816), (612, 46228), (624, 45339), (663, 42672), (714, 39624), (728, 38862), (762, 37128), (816, 34671), (819, 34544), (884, 32004), (889, 31824), (936, 30226), (952, 29718), (1008, 28067), (1016, 27846), (1071, 26416), (1092, 25908), (1143, 24752), (1224, 23114), (1326, 21336), (1428, 19812), (1456, 19431), (1524, 18564), (1547, 18288), (1638, 17272), (1651, 17136), (1768, 16002), (1778, 15912), (1872, 15113), (1904, 14859), (1989, 14224), (2032, 13923), (2142, 13208), (2159, 13104), (2184, 12954), (2286, 12376), (2448, 11557), (2652, 10668), (2667, 10608), (2856, 9906), (3048, 9282), (3094, 9144), (3276, 8636), (3302, 8568), (3536, 8001), (3556, 7956), (3978, 7112), (4284, 6604), (4318, 6552), (4368, 6477), (4572, 6188), (4641, 6096), (4953, 5712), (5304, 5334)]