25812592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 54222224

約数和(自身を除く): 28409632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 386, 643, 772, 1286, 1544, 2509, 2572, 3088, 5018, 5144, 8359, 10036, 10288, 16718, 20072, 33436, 40144, 66872, 124099, 133744, 248198, 496396, 992792, 1613287, 1985584, 3226574, 6453148, 12906296, 25812592]

約数ペア:

[(1, 25812592), (2, 12906296), (4, 6453148), (8, 3226574), (13, 1985584), (16, 1613287), (26, 992792), (52, 496396), (104, 248198), (193, 133744), (208, 124099), (386, 66872), (643, 40144), (772, 33436), (1286, 20072), (1544, 16718), (2509, 10288), (2572, 10036), (3088, 8359), (5018, 5144)]