220638208

素因数分解:

$2^{10}\times 7^1\times {\mathrm{30781}}^1$

素因数の和:30808

約数の個数: 44

約数和(自身を含む): 504086032

約数和(自身を除く): 283447824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 30781, 61562, 123124, 215467, 246248, 430934, 492496, 861868, 984992, 1723736, 1969984, 3447472, 3939968, 6894944, 7879936, 13789888, 15759872, 27579776, 31519744, 55159552, 110319104, 220638208]

約数ペア:

[(1, 220638208), (2, 110319104), (4, 55159552), (7, 31519744), (8, 27579776), (14, 15759872), (16, 13789888), (28, 7879936), (32, 6894944), (56, 3939968), (64, 3447472), (112, 1969984), (128, 1723736), (224, 984992), (256, 861868), (448, 492496), (512, 430934), (896, 246248), (1024, 215467), (1792, 123124), (3584, 61562), (7168, 30781)]