251062912

素因数分解:

$2^7\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 512366400

約数和(自身を除く): 261303488

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 137, 139, 206, 274, 278, 412, 548, 556, 824, 1096, 1112, 1648, 2192, 2224, 3296, 4384, 4448, 6592, 8768, 8896, 13184, 14111, 14317, 17536, 17792, 19043, 28222, 28634, 38086, 56444, 57268, 76172, 112888, 114536, 152344, 225776, 229072, 304688, 451552, 458144, 609376, 903104, 916288, 1218752, 1806208, 1832576, 1961429, 2437504, 3922858, 7845716, 15691432, 31382864, 62765728, 125531456, 251062912]

約数ペア:

[(1, 251062912), (2, 125531456), (4, 62765728), (8, 31382864), (16, 15691432), (32, 7845716), (64, 3922858), (103, 2437504), (128, 1961429), (137, 1832576), (139, 1806208), (206, 1218752), (274, 916288), (278, 903104), (412, 609376), (548, 458144), (556, 451552), (824, 304688), (1096, 229072), (1112, 225776), (1648, 152344), (2192, 114536), (2224, 112888), (3296, 76172), (4384, 57268), (4448, 56444), (6592, 38086), (8768, 28634), (8896, 28222), (13184, 19043), (14111, 17792), (14317, 17536)]