12991216

素因数分解:

$2^4\times 7^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:809

約数の個数: 40

約数和(自身を含む): 28963424

約数和(自身を除く): 15972208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193, 386, 601, 772, 1202, 1351, 1544, 2404, 2702, 3088, 4207, 4808, 5404, 8414, 9616, 10808, 16828, 21616, 33656, 67312, 115993, 231986, 463972, 811951, 927944, 1623902, 1855888, 3247804, 6495608, 12991216]

約数ペア:

[(1, 12991216), (2, 6495608), (4, 3247804), (7, 1855888), (8, 1623902), (14, 927944), (16, 811951), (28, 463972), (56, 231986), (112, 115993), (193, 67312), (386, 33656), (601, 21616), (772, 16828), (1202, 10808), (1351, 9616), (1544, 8414), (2404, 5404), (2702, 4808), (3088, 4207)]