28981656

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 93899520

約数和(自身を除く): 64917864

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 33, 36, 37, 43, 44, 46, 66, 69, 72, 74, 86, 88, 92, 99, 111, 129, 132, 138, 148, 172, 184, 198, 207, 222, 253, 258, 264, 276, 296, 333, 344, 387, 396, 407, 414, 444, 473, 506, 516, 552, 666, 759, 774, 792, 814, 828, 851, 888, 946, 989, 1012, 1032, 1221, 1332, 1419, 1518, 1548, 1591, 1628, 1656, 1702, 1892, 1978, 2024, 2277, 2442, 2553, 2664, 2838, 2967, 3036, 3096, 3182, 3256, 3404, 3663, 3784, 3956, 4257, 4554, 4773, 4884, 5106, 5676, 5934, 6072, 6364, 6808, 7326, 7659, 7912, 8514, 8901, 9108, 9361, 9546, 9768, 10212, 10879, 11352, 11868, 12728, 14319, 14652, 15318, 17028, 17501, 17802, 18216, 18722, 19092, 20424, 21758, 23736, 28083, 28638, 29304, 30636, 32637, 34056, 35002, 35604, 36593, 37444, 38184, 43516, 52503, 56166, 57276, 61272, 65274, 70004, 71208, 73186, 74888, 84249, 87032, 97911, 105006, 109779, 112332, 114552, 130548, 140008, 146372, 157509, 168498, 195822, 210012, 219558, 224664, 261096, 292744, 315018, 329337, 336996, 391644, 402523, 420024, 439116, 630036, 658674, 673992, 783288, 805046, 878232, 1207569, 1260072, 1317348, 1610092, 2415138, 2634696, 3220184, 3622707, 4830276, 7245414, 9660552, 14490828, 28981656]

約数ペア:

[(1, 28981656), (2, 14490828), (3, 9660552), (4, 7245414), (6, 4830276), (8, 3622707), (9, 3220184), (11, 2634696), (12, 2415138), (18, 1610092), (22, 1317348), (23, 1260072), (24, 1207569), (33, 878232), (36, 805046), (37, 783288), (43, 673992), (44, 658674), (46, 630036), (66, 439116), (69, 420024), (72, 402523), (74, 391644), (86, 336996), (88, 329337), (92, 315018), (99, 292744), (111, 261096), (129, 224664), (132, 219558), (138, 210012), (148, 195822), (172, 168498), (184, 157509), (198, 146372), (207, 140008), (222, 130548), (253, 114552), (258, 112332), (264, 109779), (276, 105006), (296, 97911), (333, 87032), (344, 84249), (387, 74888), (396, 73186), (407, 71208), (414, 70004), (444, 65274), (473, 61272), (506, 57276), (516, 56166), (552, 52503), (666, 43516), (759, 38184), (774, 37444), (792, 36593), (814, 35604), (828, 35002), (851, 34056), (888, 32637), (946, 30636), (989, 29304), (1012, 28638), (1032, 28083), (1221, 23736), (1332, 21758), (1419, 20424), (1518, 19092), (1548, 18722), (1591, 18216), (1628, 17802), (1656, 17501), (1702, 17028), (1892, 15318), (1978, 14652), (2024, 14319), (2277, 12728), (2442, 11868), (2553, 11352), (2664, 10879), (2838, 10212), (2967, 9768), (3036, 9546), (3096, 9361), (3182, 9108), (3256, 8901), (3404, 8514), (3663, 7912), (3784, 7659), (3956, 7326), (4257, 6808), (4554, 6364), (4773, 6072), (4884, 5934), (5106, 5676)]