25704328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{563}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 52113600

約数和(自身を除く): 26409272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 439, 563, 878, 1126, 1756, 2252, 3512, 4504, 5707, 7319, 11414, 14638, 22828, 29276, 45656, 58552, 247157, 494314, 988628, 1977256, 3213041, 6426082, 12852164, 25704328]

約数ペア:

[(1, 25704328), (2, 12852164), (4, 6426082), (8, 3213041), (13, 1977256), (26, 988628), (52, 494314), (104, 247157), (439, 58552), (563, 45656), (878, 29276), (1126, 22828), (1756, 14638), (2252, 11414), (3512, 7319), (4504, 5707)]