397795328

素因数分解:

$2^{13}\times 7^2\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 84

約数和(自身を含む): 926360352

約数和(自身を除く): 528565024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 991, 1024, 1568, 1792, 1982, 2048, 3136, 3584, 3964, 4096, 6272, 6937, 7168, 7928, 8192, 12544, 13874, 14336, 15856, 25088, 27748, 28672, 31712, 48559, 50176, 55496, 57344, 63424, 97118, 100352, 110992, 126848, 194236, 200704, 221984, 253696, 388472, 401408, 443968, 507392, 776944, 887936, 1014784, 1553888, 1775872, 2029568, 3107776, 3551744, 4059136, 6215552, 7103488, 8118272, 12431104, 14206976, 24862208, 28413952, 49724416, 56827904, 99448832, 198897664, 397795328]

約数ペア:

[(1, 397795328), (2, 198897664), (4, 99448832), (7, 56827904), (8, 49724416), (14, 28413952), (16, 24862208), (28, 14206976), (32, 12431104), (49, 8118272), (56, 7103488), (64, 6215552), (98, 4059136), (112, 3551744), (128, 3107776), (196, 2029568), (224, 1775872), (256, 1553888), (392, 1014784), (448, 887936), (512, 776944), (784, 507392), (896, 443968), (991, 401408), (1024, 388472), (1568, 253696), (1792, 221984), (1982, 200704), (2048, 194236), (3136, 126848), (3584, 110992), (3964, 100352), (4096, 97118), (6272, 63424), (6937, 57344), (7168, 55496), (7928, 50176), (8192, 48559), (12544, 31712), (13874, 28672), (14336, 27748), (15856, 25088)]