127998976

素因数分解:

$2^{10}\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2585

約数の個数: 66

約数和(自身を含む): 297764808

約数和(自身を除く): 169765832

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

約数ペア:

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