28790048

素因数分解:

$2^5\times 7^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 68745600

約数和(自身を除く): 39955552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 61, 86, 98, 112, 122, 172, 196, 224, 244, 301, 343, 344, 392, 427, 488, 602, 686, 688, 784, 854, 976, 1204, 1372, 1376, 1568, 1708, 1952, 2107, 2408, 2623, 2744, 2989, 3416, 4214, 4816, 5246, 5488, 5978, 6832, 8428, 9632, 10492, 10976, 11956, 13664, 14749, 16856, 18361, 20923, 20984, 23912, 29498, 33712, 36722, 41846, 41968, 47824, 58996, 67424, 73444, 83692, 83936, 95648, 117992, 128527, 146888, 167384, 235984, 257054, 293776, 334768, 471968, 514108, 587552, 669536, 899689, 1028216, 1799378, 2056432, 3598756, 4112864, 7197512, 14395024, 28790048]

約数ペア:

[(1, 28790048), (2, 14395024), (4, 7197512), (7, 4112864), (8, 3598756), (14, 2056432), (16, 1799378), (28, 1028216), (32, 899689), (43, 669536), (49, 587552), (56, 514108), (61, 471968), (86, 334768), (98, 293776), (112, 257054), (122, 235984), (172, 167384), (196, 146888), (224, 128527), (244, 117992), (301, 95648), (343, 83936), (344, 83692), (392, 73444), (427, 67424), (488, 58996), (602, 47824), (686, 41968), (688, 41846), (784, 36722), (854, 33712), (976, 29498), (1204, 23912), (1372, 20984), (1376, 20923), (1568, 18361), (1708, 16856), (1952, 14749), (2107, 13664), (2408, 11956), (2623, 10976), (2744, 10492), (2989, 9632), (3416, 8428), (4214, 6832), (4816, 5978), (5246, 5488)]