81021696

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{2153}}^1$

素因数の和:2186

約数の個数: 108

約数和(自身を含む): 250958232

約数和(自身を除く): 169936536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 448, 588, 672, 768, 784, 896, 1176, 1344, 1568, 1792, 2153, 2352, 2688, 3136, 4306, 4704, 5376, 6272, 6459, 8612, 9408, 12544, 12918, 15071, 17224, 18816, 25836, 30142, 34448, 37632, 45213, 51672, 60284, 68896, 90426, 103344, 105497, 120568, 137792, 180852, 206688, 210994, 241136, 275584, 316491, 361704, 413376, 421988, 482272, 551168, 632982, 723408, 826752, 843976, 964544, 1265964, 1446816, 1653504, 1687952, 1929088, 2531928, 2893632, 3375904, 3858176, 5063856, 5787264, 6751808, 10127712, 11574528, 13503616, 20255424, 27007232, 40510848, 81021696]

約数ペア:

[(1, 81021696), (2, 40510848), (3, 27007232), (4, 20255424), (6, 13503616), (7, 11574528), (8, 10127712), (12, 6751808), (14, 5787264), (16, 5063856), (21, 3858176), (24, 3375904), (28, 2893632), (32, 2531928), (42, 1929088), (48, 1687952), (49, 1653504), (56, 1446816), (64, 1265964), (84, 964544), (96, 843976), (98, 826752), (112, 723408), (128, 632982), (147, 551168), (168, 482272), (192, 421988), (196, 413376), (224, 361704), (256, 316491), (294, 275584), (336, 241136), (384, 210994), (392, 206688), (448, 180852), (588, 137792), (672, 120568), (768, 105497), (784, 103344), (896, 90426), (1176, 68896), (1344, 60284), (1568, 51672), (1792, 45213), (2153, 37632), (2352, 34448), (2688, 30142), (3136, 25836), (4306, 18816), (4704, 17224), (5376, 15071), (6272, 12918), (6459, 12544), (8612, 9408)]