123769856

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:615

約数の個数: 88

約数和(自身を含む): 292409856

約数和(自身を除く): 168640000

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, 557, 868, 896, 992, 1024, 1114, 1736, 1792, 1984, 2228, 3472, 3584, 3899, 3968, 4456, 6944, 7168, 7798, 7936, 8912, 13888, 15596, 15872, 17267, 17824, 27776, 31192, 31744, 34534, 35648, 55552, 62384, 69068, 71296, 111104, 120869, 124768, 138136, 142592, 222208, 241738, 249536, 276272, 285184, 483476, 499072, 552544, 570368, 966952, 998144, 1105088, 1933904, 1996288, 2210176, 3867808, 3992576, 4420352, 7735616, 8840704, 15471232, 17681408, 30942464, 61884928, 123769856]

約数ペア:

[(1, 123769856), (2, 61884928), (4, 30942464), (7, 17681408), (8, 15471232), (14, 8840704), (16, 7735616), (28, 4420352), (31, 3992576), (32, 3867808), (56, 2210176), (62, 1996288), (64, 1933904), (112, 1105088), (124, 998144), (128, 966952), (217, 570368), (224, 552544), (248, 499072), (256, 483476), (434, 285184), (448, 276272), (496, 249536), (512, 241738), (557, 222208), (868, 142592), (896, 138136), (992, 124768), (1024, 120869), (1114, 111104), (1736, 71296), (1792, 69068), (1984, 62384), (2228, 55552), (3472, 35648), (3584, 34534), (3899, 31744), (3968, 31192), (4456, 27776), (6944, 17824), (7168, 17267), (7798, 15872), (7936, 15596), (8912, 13888)]