25973168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 54559008

約数和(自身を除く): 28585840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 386, 647, 772, 1294, 1544, 2509, 2588, 3088, 5018, 5176, 8411, 10036, 10352, 16822, 20072, 33644, 40144, 67288, 124871, 134576, 249742, 499484, 998968, 1623323, 1997936, 3246646, 6493292, 12986584, 25973168]

約数ペア:

[(1, 25973168), (2, 12986584), (4, 6493292), (8, 3246646), (13, 1997936), (16, 1623323), (26, 998968), (52, 499484), (104, 249742), (193, 134576), (208, 124871), (386, 67288), (647, 40144), (772, 33644), (1294, 20072), (1544, 16822), (2509, 10352), (2588, 10036), (3088, 8411), (5018, 5176)]