213541888

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^3$

素因数の和:120

約数の個数: 88

約数和(自身を含む): 504118784

約数和(自身を除く): 290576896

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, 961, 992, 1024, 1736, 1792, 1922, 1984, 3472, 3584, 3844, 3968, 6727, 6944, 7168, 7688, 7936, 13454, 13888, 15376, 15872, 26908, 27776, 29791, 30752, 31744, 53816, 55552, 59582, 61504, 107632, 111104, 119164, 123008, 208537, 215264, 222208, 238328, 246016, 417074, 430528, 476656, 492032, 834148, 861056, 953312, 984064, 1668296, 1722112, 1906624, 3336592, 3444224, 3813248, 6673184, 6888448, 7626496, 13346368, 15252992, 26692736, 30505984, 53385472, 106770944, 213541888]

約数ペア:

[(1, 213541888), (2, 106770944), (4, 53385472), (7, 30505984), (8, 26692736), (14, 15252992), (16, 13346368), (28, 7626496), (31, 6888448), (32, 6673184), (56, 3813248), (62, 3444224), (64, 3336592), (112, 1906624), (124, 1722112), (128, 1668296), (217, 984064), (224, 953312), (248, 861056), (256, 834148), (434, 492032), (448, 476656), (496, 430528), (512, 417074), (868, 246016), (896, 238328), (961, 222208), (992, 215264), (1024, 208537), (1736, 123008), (1792, 119164), (1922, 111104), (1984, 107632), (3472, 61504), (3584, 59582), (3844, 55552), (3968, 53816), (6727, 31744), (6944, 30752), (7168, 29791), (7688, 27776), (7936, 26908), (13454, 15872), (13888, 15376)]