28076656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 58188240

約数和(自身を除く): 30111584

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 436, 872, 947, 1744, 1853, 1894, 3706, 3788, 7412, 7576, 14824, 15152, 16099, 29648, 32198, 64396, 103223, 128792, 206446, 257584, 412892, 825784, 1651568, 1754791, 3509582, 7019164, 14038328, 28076656]

約数ペア:

[(1, 28076656), (2, 14038328), (4, 7019164), (8, 3509582), (16, 1754791), (17, 1651568), (34, 825784), (68, 412892), (109, 257584), (136, 206446), (218, 128792), (272, 103223), (436, 64396), (872, 32198), (947, 29648), (1744, 16099), (1853, 15152), (1894, 14824), (3706, 7576), (3788, 7412)]