123663872

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 260889552

約数和(自身を除く): 137225680

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 86, 128, 137, 164, 172, 256, 274, 328, 344, 512, 548, 656, 688, 1096, 1312, 1376, 1763, 2192, 2624, 2752, 3526, 4384, 5248, 5504, 5617, 5891, 7052, 8768, 10496, 11008, 11234, 11782, 14104, 17536, 20992, 22016, 22468, 23564, 28208, 35072, 44936, 47128, 56416, 70144, 89872, 94256, 112832, 179744, 188512, 225664, 241531, 359488, 377024, 451328, 483062, 718976, 754048, 902656, 966124, 1437952, 1508096, 1932248, 2875904, 3016192, 3864496, 7728992, 15457984, 30915968, 61831936, 123663872]

約数ペア:

[(1, 123663872), (2, 61831936), (4, 30915968), (8, 15457984), (16, 7728992), (32, 3864496), (41, 3016192), (43, 2875904), (64, 1932248), (82, 1508096), (86, 1437952), (128, 966124), (137, 902656), (164, 754048), (172, 718976), (256, 483062), (274, 451328), (328, 377024), (344, 359488), (512, 241531), (548, 225664), (656, 188512), (688, 179744), (1096, 112832), (1312, 94256), (1376, 89872), (1763, 70144), (2192, 56416), (2624, 47128), (2752, 44936), (3526, 35072), (4384, 28208), (5248, 23564), (5504, 22468), (5617, 22016), (5891, 20992), (7052, 17536), (8768, 14104), (10496, 11782), (11008, 11234)]