221059328

素因数分解:

$2^8\times 7^1\times {\mathrm{281}}^1\times {\mathrm{439}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 507239040

約数和(自身を除く): 286179712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 281, 439, 448, 562, 878, 896, 1124, 1756, 1792, 1967, 2248, 3073, 3512, 3934, 4496, 6146, 7024, 7868, 8992, 12292, 14048, 15736, 17984, 24584, 28096, 31472, 35968, 49168, 56192, 62944, 71936, 98336, 112384, 123359, 125888, 196672, 246718, 251776, 393344, 493436, 503552, 786688, 863513, 986872, 1727026, 1973744, 3454052, 3947488, 6908104, 7894976, 13816208, 15789952, 27632416, 31579904, 55264832, 110529664, 221059328]

約数ペア:

[(1, 221059328), (2, 110529664), (4, 55264832), (7, 31579904), (8, 27632416), (14, 15789952), (16, 13816208), (28, 7894976), (32, 6908104), (56, 3947488), (64, 3454052), (112, 1973744), (128, 1727026), (224, 986872), (256, 863513), (281, 786688), (439, 503552), (448, 493436), (562, 393344), (878, 251776), (896, 246718), (1124, 196672), (1756, 125888), (1792, 123359), (1967, 112384), (2248, 98336), (3073, 71936), (3512, 62944), (3934, 56192), (4496, 49168), (6146, 35968), (7024, 31472), (7868, 28096), (8992, 24584), (12292, 17984), (14048, 15736)]