261255008

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16427}}^1$

素因数の和:16515

約数の個数: 48

約数和(自身を含む): 596139264

約数和(自身を除く): 334884256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 3976, 7952, 15904, 16427, 32854, 65708, 114989, 131416, 229978, 262832, 459956, 525664, 919912, 1166317, 1839824, 2332634, 3679648, 4665268, 8164219, 9330536, 16328438, 18661072, 32656876, 37322144, 65313752, 130627504, 261255008]

約数ペア:

[(1, 261255008), (2, 130627504), (4, 65313752), (7, 37322144), (8, 32656876), (14, 18661072), (16, 16328438), (28, 9330536), (32, 8164219), (56, 4665268), (71, 3679648), (112, 2332634), (142, 1839824), (224, 1166317), (284, 919912), (497, 525664), (568, 459956), (994, 262832), (1136, 229978), (1988, 131416), (2272, 114989), (3976, 65708), (7952, 32854), (15904, 16427)]