12725648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:531

約数の個数: 40

約数和(自身を含む): 26774328

約数和(自身を除く): 14048680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 317, 386, 634, 772, 1268, 1544, 2509, 2536, 3088, 4121, 5018, 5072, 8242, 10036, 16484, 20072, 32968, 40144, 61181, 65936, 122362, 244724, 489448, 795353, 978896, 1590706, 3181412, 6362824, 12725648]

約数ペア:

[(1, 12725648), (2, 6362824), (4, 3181412), (8, 1590706), (13, 978896), (16, 795353), (26, 489448), (52, 244724), (104, 122362), (193, 65936), (208, 61181), (317, 40144), (386, 32968), (634, 20072), (772, 16484), (1268, 10036), (1544, 8242), (2509, 5072), (2536, 5018), (3088, 4121)]