81394432

素因数分解:

$2^8\times 7^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:933

約数の個数: 72

約数和(自身を含む): 189405216

約数和(自身を除く): 108010784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 256, 371, 424, 448, 742, 848, 857, 896, 1484, 1696, 1714, 1792, 2968, 3392, 3428, 5936, 5999, 6784, 6856, 11872, 11998, 13568, 13712, 23744, 23996, 27424, 45421, 47488, 47992, 54848, 90842, 94976, 95984, 109696, 181684, 191968, 219392, 317947, 363368, 383936, 635894, 726736, 767872, 1271788, 1453472, 1535744, 2543576, 2906944, 5087152, 5813888, 10174304, 11627776, 20348608, 40697216, 81394432]

約数ペア:

[(1, 81394432), (2, 40697216), (4, 20348608), (7, 11627776), (8, 10174304), (14, 5813888), (16, 5087152), (28, 2906944), (32, 2543576), (53, 1535744), (56, 1453472), (64, 1271788), (106, 767872), (112, 726736), (128, 635894), (212, 383936), (224, 363368), (256, 317947), (371, 219392), (424, 191968), (448, 181684), (742, 109696), (848, 95984), (857, 94976), (896, 90842), (1484, 54848), (1696, 47992), (1714, 47488), (1792, 45421), (2968, 27424), (3392, 23996), (3428, 23744), (5936, 13712), (5999, 13568), (6784, 11998), (6856, 11872)]