217097216

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1035

約数の個数: 88

約数和(自身を含む): 512503296

約数和(自身を除く): 295406080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 977, 992, 1024, 1736, 1792, 1954, 1984, 3472, 3584, 3908, 3968, 6839, 6944, 7168, 7816, 7936, 13678, 13888, 15632, 15872, 27356, 27776, 30287, 31264, 31744, 54712, 55552, 60574, 62528, 109424, 111104, 121148, 125056, 212009, 218848, 222208, 242296, 250112, 424018, 437696, 484592, 500224, 848036, 875392, 969184, 1000448, 1696072, 1750784, 1938368, 3392144, 3501568, 3876736, 6784288, 7003136, 7753472, 13568576, 15506944, 27137152, 31013888, 54274304, 108548608, 217097216]

約数ペア:

[(1, 217097216), (2, 108548608), (4, 54274304), (7, 31013888), (8, 27137152), (14, 15506944), (16, 13568576), (28, 7753472), (31, 7003136), (32, 6784288), (56, 3876736), (62, 3501568), (64, 3392144), (112, 1938368), (124, 1750784), (128, 1696072), (217, 1000448), (224, 969184), (248, 875392), (256, 848036), (434, 500224), (448, 484592), (496, 437696), (512, 424018), (868, 250112), (896, 242296), (977, 222208), (992, 218848), (1024, 212009), (1736, 125056), (1792, 121148), (1954, 111104), (1984, 109424), (3472, 62528), (3584, 60574), (3908, 55552), (3968, 54712), (6839, 31744), (6944, 31264), (7168, 30287), (7816, 27776), (7936, 27356), (13678, 15872), (13888, 15632)]