81987584

素因数分解:

$2^{11}\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 205405200

約数和(自身を除く): 123417616

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 43, 49, 56, 64, 76, 86, 98, 112, 128, 133, 152, 172, 196, 224, 256, 266, 301, 304, 344, 392, 448, 512, 532, 602, 608, 688, 784, 817, 896, 931, 1024, 1064, 1204, 1216, 1376, 1568, 1634, 1792, 1862, 2048, 2107, 2128, 2408, 2432, 2752, 3136, 3268, 3584, 3724, 4214, 4256, 4816, 4864, 5504, 5719, 6272, 6536, 7168, 7448, 8428, 8512, 9632, 9728, 11008, 11438, 12544, 13072, 14336, 14896, 16856, 17024, 19264, 19456, 22016, 22876, 25088, 26144, 29792, 33712, 34048, 38528, 38912, 40033, 44032, 45752, 50176, 52288, 59584, 67424, 68096, 77056, 80066, 88064, 91504, 100352, 104576, 119168, 134848, 136192, 154112, 160132, 183008, 209152, 238336, 269696, 272384, 308224, 320264, 366016, 418304, 476672, 539392, 616448, 640528, 732032, 836608, 953344, 1078784, 1281056, 1464064, 1673216, 1906688, 2157568, 2562112, 2928128, 4315136, 5124224, 5856256, 10248448, 11712512, 20496896, 40993792, 81987584]

約数ペア:

[(1, 81987584), (2, 40993792), (4, 20496896), (7, 11712512), (8, 10248448), (14, 5856256), (16, 5124224), (19, 4315136), (28, 2928128), (32, 2562112), (38, 2157568), (43, 1906688), (49, 1673216), (56, 1464064), (64, 1281056), (76, 1078784), (86, 953344), (98, 836608), (112, 732032), (128, 640528), (133, 616448), (152, 539392), (172, 476672), (196, 418304), (224, 366016), (256, 320264), (266, 308224), (301, 272384), (304, 269696), (344, 238336), (392, 209152), (448, 183008), (512, 160132), (532, 154112), (602, 136192), (608, 134848), (688, 119168), (784, 104576), (817, 100352), (896, 91504), (931, 88064), (1024, 80066), (1064, 77056), (1204, 68096), (1216, 67424), (1376, 59584), (1568, 52288), (1634, 50176), (1792, 45752), (1862, 44032), (2048, 40033), (2107, 38912), (2128, 38528), (2408, 34048), (2432, 33712), (2752, 29792), (3136, 26144), (3268, 25088), (3584, 22876), (3724, 22016), (4214, 19456), (4256, 19264), (4816, 17024), (4864, 16856), (5504, 14896), (5719, 14336), (6272, 13072), (6536, 12544), (7168, 11438), (7448, 11008), (8428, 9728), (8512, 9632)]