78240656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1949}}^1$

素因数の和:2163

約数の個数: 40

約数和(自身を含む): 164182200

約数和(自身を除く): 85941544

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 386, 772, 1544, 1949, 2509, 3088, 3898, 5018, 7796, 10036, 15592, 20072, 25337, 31184, 40144, 50674, 101348, 202696, 376157, 405392, 752314, 1504628, 3009256, 4890041, 6018512, 9780082, 19560164, 39120328, 78240656]

約数ペア:

[(1, 78240656), (2, 39120328), (4, 19560164), (8, 9780082), (13, 6018512), (16, 4890041), (26, 3009256), (52, 1504628), (104, 752314), (193, 405392), (208, 376157), (386, 202696), (772, 101348), (1544, 50674), (1949, 40144), (2509, 31184), (3088, 25337), (3898, 20072), (5018, 15592), (7796, 10036)]