257842488

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{129439}}^1$

素因数の和:129531

約数の個数: 32

約数和(自身を含む): 652377600

約数和(自身を除く): 394535112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992, 129439, 258878, 388317, 517756, 776634, 1035512, 1553268, 3106536, 10743437, 21486874, 32230311, 42973748, 64460622, 85947496, 128921244, 257842488]

約数ペア:

[(1, 257842488), (2, 128921244), (3, 85947496), (4, 64460622), (6, 42973748), (8, 32230311), (12, 21486874), (24, 10743437), (83, 3106536), (166, 1553268), (249, 1035512), (332, 776634), (498, 517756), (664, 388317), (996, 258878), (1992, 129439)]