28727328

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 91010304

約数和(自身を除く): 62282976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 84, 93, 96, 98, 112, 124, 147, 168, 186, 196, 197, 217, 224, 248, 294, 336, 372, 392, 394, 434, 496, 588, 591, 651, 672, 744, 784, 788, 868, 992, 1176, 1182, 1302, 1379, 1488, 1519, 1568, 1576, 1736, 2352, 2364, 2604, 2758, 2976, 3038, 3152, 3472, 4137, 4557, 4704, 4728, 5208, 5516, 6076, 6107, 6304, 6944, 8274, 9114, 9456, 9653, 10416, 11032, 12152, 12214, 16548, 18228, 18321, 18912, 19306, 20832, 22064, 24304, 24428, 28959, 33096, 36456, 36642, 38612, 42749, 44128, 48608, 48856, 57918, 66192, 72912, 73284, 77224, 85498, 97712, 115836, 128247, 132384, 145824, 146568, 154448, 170996, 195424, 231672, 256494, 293136, 299243, 308896, 341992, 463344, 512988, 586272, 598486, 683984, 897729, 926688, 1025976, 1196972, 1367968, 1795458, 2051952, 2393944, 3590916, 4103904, 4787888, 7181832, 9575776, 14363664, 28727328]

約数ペア:

[(1, 28727328), (2, 14363664), (3, 9575776), (4, 7181832), (6, 4787888), (7, 4103904), (8, 3590916), (12, 2393944), (14, 2051952), (16, 1795458), (21, 1367968), (24, 1196972), (28, 1025976), (31, 926688), (32, 897729), (42, 683984), (48, 598486), (49, 586272), (56, 512988), (62, 463344), (84, 341992), (93, 308896), (96, 299243), (98, 293136), (112, 256494), (124, 231672), (147, 195424), (168, 170996), (186, 154448), (196, 146568), (197, 145824), (217, 132384), (224, 128247), (248, 115836), (294, 97712), (336, 85498), (372, 77224), (392, 73284), (394, 72912), (434, 66192), (496, 57918), (588, 48856), (591, 48608), (651, 44128), (672, 42749), (744, 38612), (784, 36642), (788, 36456), (868, 33096), (992, 28959), (1176, 24428), (1182, 24304), (1302, 22064), (1379, 20832), (1488, 19306), (1519, 18912), (1568, 18321), (1576, 18228), (1736, 16548), (2352, 12214), (2364, 12152), (2604, 11032), (2758, 10416), (2976, 9653), (3038, 9456), (3152, 9114), (3472, 8274), (4137, 6944), (4557, 6304), (4704, 6107), (4728, 6076), (5208, 5516)]