289302784

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 595441728

約数和(自身を除く): 306138944

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 101, 128, 134, 167, 202, 256, 268, 334, 404, 536, 668, 808, 1072, 1336, 1616, 2144, 2672, 3232, 4288, 5344, 6464, 6767, 8576, 10688, 11189, 12928, 13534, 16867, 17152, 21376, 22378, 25856, 27068, 33734, 42752, 44756, 54136, 67468, 89512, 108272, 134936, 179024, 216544, 269872, 358048, 433088, 539744, 716096, 866176, 1079488, 1130089, 1432192, 1732352, 2158976, 2260178, 2864384, 4317952, 4520356, 9040712, 18081424, 36162848, 72325696, 144651392, 289302784]

約数ペア:

[(1, 289302784), (2, 144651392), (4, 72325696), (8, 36162848), (16, 18081424), (32, 9040712), (64, 4520356), (67, 4317952), (101, 2864384), (128, 2260178), (134, 2158976), (167, 1732352), (202, 1432192), (256, 1130089), (268, 1079488), (334, 866176), (404, 716096), (536, 539744), (668, 433088), (808, 358048), (1072, 269872), (1336, 216544), (1616, 179024), (2144, 134936), (2672, 108272), (3232, 89512), (4288, 67468), (5344, 54136), (6464, 44756), (6767, 42752), (8576, 33734), (10688, 27068), (11189, 25856), (12928, 22378), (13534, 21376), (16867, 17152)]