915705728

素因数分解:

$2^7\times 7^3\times {\mathrm{20857}}^1$

素因数の和:20892

約数の個数: 64

約数和(自身を含む): 2127516000

約数和(自身を除く): 1211810272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 686, 784, 896, 1372, 1568, 2744, 3136, 5488, 6272, 10976, 20857, 21952, 41714, 43904, 83428, 145999, 166856, 291998, 333712, 583996, 667424, 1021993, 1167992, 1334848, 2043986, 2335984, 2669696, 4087972, 4671968, 7153951, 8175944, 9343936, 14307902, 16351888, 18687872, 28615804, 32703776, 57231608, 65407552, 114463216, 130815104, 228926432, 457852864, 915705728]

約数ペア:

[(1, 915705728), (2, 457852864), (4, 228926432), (7, 130815104), (8, 114463216), (14, 65407552), (16, 57231608), (28, 32703776), (32, 28615804), (49, 18687872), (56, 16351888), (64, 14307902), (98, 9343936), (112, 8175944), (128, 7153951), (196, 4671968), (224, 4087972), (343, 2669696), (392, 2335984), (448, 2043986), (686, 1334848), (784, 1167992), (896, 1021993), (1372, 667424), (1568, 583996), (2744, 333712), (3136, 291998), (5488, 166856), (6272, 145999), (10976, 83428), (20857, 43904), (21952, 41714)]