816702208

素因数分解:

$2^8\times 7^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 1942617600

約数和(自身を除く): 1125915392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 71, 98, 112, 128, 131, 142, 196, 224, 256, 262, 284, 343, 392, 448, 497, 524, 568, 686, 784, 896, 917, 994, 1048, 1136, 1372, 1568, 1792, 1834, 1988, 2096, 2272, 2744, 3136, 3479, 3668, 3976, 4192, 4544, 5488, 6272, 6419, 6958, 7336, 7952, 8384, 9088, 9301, 10976, 12544, 12838, 13916, 14672, 15904, 16768, 18176, 18602, 21952, 24353, 25676, 27832, 29344, 31808, 33536, 37204, 43904, 44933, 48706, 51352, 55664, 58688, 63616, 65107, 74408, 87808, 89866, 97412, 102704, 111328, 117376, 127232, 130214, 148816, 179732, 194824, 205408, 222656, 234752, 260428, 297632, 359464, 389648, 410816, 445312, 455749, 520856, 595264, 718928, 779296, 821632, 890624, 911498, 1041712, 1190528, 1437856, 1558592, 1643264, 1822996, 2083424, 2381056, 2875712, 3117184, 3190243, 3645992, 4166848, 5751424, 6234368, 6380486, 7291984, 8333696, 11502848, 12760972, 14583968, 16667392, 25521944, 29167936, 51043888, 58335872, 102087776, 116671744, 204175552, 408351104, 816702208]

約数ペア:

[(1, 816702208), (2, 408351104), (4, 204175552), (7, 116671744), (8, 102087776), (14, 58335872), (16, 51043888), (28, 29167936), (32, 25521944), (49, 16667392), (56, 14583968), (64, 12760972), (71, 11502848), (98, 8333696), (112, 7291984), (128, 6380486), (131, 6234368), (142, 5751424), (196, 4166848), (224, 3645992), (256, 3190243), (262, 3117184), (284, 2875712), (343, 2381056), (392, 2083424), (448, 1822996), (497, 1643264), (524, 1558592), (568, 1437856), (686, 1190528), (784, 1041712), (896, 911498), (917, 890624), (994, 821632), (1048, 779296), (1136, 718928), (1372, 595264), (1568, 520856), (1792, 455749), (1834, 445312), (1988, 410816), (2096, 389648), (2272, 359464), (2744, 297632), (3136, 260428), (3479, 234752), (3668, 222656), (3976, 205408), (4192, 194824), (4544, 179732), (5488, 148816), (6272, 130214), (6419, 127232), (6958, 117376), (7336, 111328), (7952, 102704), (8384, 97412), (9088, 89866), (9301, 87808), (10976, 74408), (12544, 65107), (12838, 63616), (13916, 58688), (14672, 55664), (15904, 51352), (16768, 48706), (18176, 44933), (18602, 43904), (21952, 37204), (24353, 33536), (25676, 31808), (27832, 29344)]