263744

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:342

約数の個数: 28

約数和(自身を含む): 565404

約数和(自身を除く): 301660

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 317, 416, 634, 832, 1268, 2536, 4121, 5072, 8242, 10144, 16484, 20288, 32968, 65936, 131872, 263744]

約数ペア:

[(1, 263744), (2, 131872), (4, 65936), (8, 32968), (13, 20288), (16, 16484), (26, 10144), (32, 8242), (52, 5072), (64, 4121), (104, 2536), (208, 1268), (317, 832), (416, 634)]