255997952

素因数分解:

$2^{11}\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2587

約数の個数: 72

約数和(自身を含む): 595675080

約数和(自身を除く): 339677128

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, 1024, 1568, 1792, 2048, 2551, 3136, 3584, 5102, 6272, 7168, 10204, 12544, 14336, 17857, 20408, 25088, 35714, 40816, 50176, 71428, 81632, 100352, 124999, 142856, 163264, 249998, 285712, 326528, 499996, 571424, 653056, 999992, 1142848, 1306112, 1999984, 2285696, 2612224, 3999968, 4571392, 5224448, 7999936, 9142784, 15999872, 18285568, 31999744, 36571136, 63999488, 127998976, 255997952]

約数ペア:

[(1, 255997952), (2, 127998976), (4, 63999488), (7, 36571136), (8, 31999744), (14, 18285568), (16, 15999872), (28, 9142784), (32, 7999936), (49, 5224448), (56, 4571392), (64, 3999968), (98, 2612224), (112, 2285696), (128, 1999984), (196, 1306112), (224, 1142848), (256, 999992), (392, 653056), (448, 571424), (512, 499996), (784, 326528), (896, 285712), (1024, 249998), (1568, 163264), (1792, 142856), (2048, 124999), (2551, 100352), (3136, 81632), (3584, 71428), (5102, 50176), (6272, 40816), (7168, 35714), (10204, 25088), (12544, 20408), (14336, 17857)]