257007616

素因数分解:

$2^{13}\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:392

約数の個数: 56

約数和(自身を含む): 519996420

約数和(自身を除く): 262988804

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 229, 256, 274, 458, 512, 548, 916, 1024, 1096, 1832, 2048, 2192, 3664, 4096, 4384, 7328, 8192, 8768, 14656, 17536, 29312, 31373, 35072, 58624, 62746, 70144, 117248, 125492, 140288, 234496, 250984, 280576, 468992, 501968, 561152, 937984, 1003936, 1122304, 1875968, 2007872, 4015744, 8031488, 16062976, 32125952, 64251904, 128503808, 257007616]

約数ペア:

[(1, 257007616), (2, 128503808), (4, 64251904), (8, 32125952), (16, 16062976), (32, 8031488), (64, 4015744), (128, 2007872), (137, 1875968), (229, 1122304), (256, 1003936), (274, 937984), (458, 561152), (512, 501968), (548, 468992), (916, 280576), (1024, 250984), (1096, 234496), (1832, 140288), (2048, 125492), (2192, 117248), (3664, 70144), (4096, 62746), (4384, 58624), (7328, 35072), (8192, 31373), (8768, 29312), (14656, 17536)]