25978784

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 55534248

約数和(自身を除く): 29555464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 197, 208, 317, 394, 416, 634, 788, 1268, 1576, 2536, 2561, 3152, 4121, 5072, 5122, 6304, 8242, 10144, 10244, 16484, 20488, 32968, 40976, 62449, 65936, 81952, 124898, 131872, 249796, 499592, 811837, 999184, 1623674, 1998368, 3247348, 6494696, 12989392, 25978784]

約数ペア:

[(1, 25978784), (2, 12989392), (4, 6494696), (8, 3247348), (13, 1998368), (16, 1623674), (26, 999184), (32, 811837), (52, 499592), (104, 249796), (197, 131872), (208, 124898), (317, 81952), (394, 65936), (416, 62449), (634, 40976), (788, 32968), (1268, 20488), (1576, 16484), (2536, 10244), (2561, 10144), (3152, 8242), (4121, 6304), (5072, 5122)]