15805856

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 34419168

約数和(自身を除く): 18613312

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 83, 88, 166, 176, 332, 352, 541, 664, 913, 1082, 1328, 1826, 2164, 2656, 3652, 4328, 5951, 7304, 8656, 11902, 14608, 17312, 23804, 29216, 44903, 47608, 89806, 95216, 179612, 190432, 359224, 493933, 718448, 987866, 1436896, 1975732, 3951464, 7902928, 15805856]

約数ペア:

[(1, 15805856), (2, 7902928), (4, 3951464), (8, 1975732), (11, 1436896), (16, 987866), (22, 718448), (32, 493933), (44, 359224), (83, 190432), (88, 179612), (166, 95216), (176, 89806), (332, 47608), (352, 44903), (541, 29216), (664, 23804), (913, 17312), (1082, 14608), (1328, 11902), (1826, 8656), (2164, 7304), (2656, 5951), (3652, 4328)]