28322784

素因数分解:

$2^5\times 3^4\times 7^2\times {\mathrm{223}}^1$

素因数の和:259

約数の個数: 180

約数和(自身を含む): 97330464

約数和(自身を除く): 69007680

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 223, 224, 252, 288, 294, 324, 336, 378, 392, 432, 441, 446, 504, 567, 588, 648, 669, 672, 756, 784, 864, 882, 892, 1008, 1134, 1176, 1296, 1323, 1338, 1512, 1561, 1568, 1764, 1784, 2007, 2016, 2268, 2352, 2592, 2646, 2676, 3024, 3122, 3528, 3568, 3969, 4014, 4536, 4683, 4704, 5292, 5352, 6021, 6048, 6244, 7056, 7136, 7938, 8028, 9072, 9366, 10584, 10704, 10927, 12042, 12488, 14049, 14112, 15876, 16056, 18063, 18144, 18732, 21168, 21408, 21854, 24084, 24976, 28098, 31752, 32112, 32781, 36126, 37464, 42147, 42336, 43708, 48168, 49952, 56196, 63504, 64224, 65562, 72252, 74928, 84294, 87416, 96336, 98343, 112392, 126441, 127008, 131124, 144504, 149856, 168588, 174832, 192672, 196686, 224784, 252882, 262248, 289008, 295029, 337176, 349664, 393372, 449568, 505764, 524496, 578016, 590058, 674352, 786744, 885087, 1011528, 1048992, 1180116, 1348704, 1573488, 1770174, 2023056, 2360232, 3146976, 3540348, 4046112, 4720464, 7080696, 9440928, 14161392, 28322784]

約数ペア:

[(1, 28322784), (2, 14161392), (3, 9440928), (4, 7080696), (6, 4720464), (7, 4046112), (8, 3540348), (9, 3146976), (12, 2360232), (14, 2023056), (16, 1770174), (18, 1573488), (21, 1348704), (24, 1180116), (27, 1048992), (28, 1011528), (32, 885087), (36, 786744), (42, 674352), (48, 590058), (49, 578016), (54, 524496), (56, 505764), (63, 449568), (72, 393372), (81, 349664), (84, 337176), (96, 295029), (98, 289008), (108, 262248), (112, 252882), (126, 224784), (144, 196686), (147, 192672), (162, 174832), (168, 168588), (189, 149856), (196, 144504), (216, 131124), (223, 127008), (224, 126441), (252, 112392), (288, 98343), (294, 96336), (324, 87416), (336, 84294), (378, 74928), (392, 72252), (432, 65562), (441, 64224), (446, 63504), (504, 56196), (567, 49952), (588, 48168), (648, 43708), (669, 42336), (672, 42147), (756, 37464), (784, 36126), (864, 32781), (882, 32112), (892, 31752), (1008, 28098), (1134, 24976), (1176, 24084), (1296, 21854), (1323, 21408), (1338, 21168), (1512, 18732), (1561, 18144), (1568, 18063), (1764, 16056), (1784, 15876), (2007, 14112), (2016, 14049), (2268, 12488), (2352, 12042), (2592, 10927), (2646, 10704), (2676, 10584), (3024, 9366), (3122, 9072), (3528, 8028), (3568, 7938), (3969, 7136), (4014, 7056), (4536, 6244), (4683, 6048), (4704, 6021), (5292, 5352)]