28942784

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:877

約数の個数: 56

約数和(自身を含む): 63367920

約数和(自身を除く): 34425136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 559, 688, 809, 832, 1118, 1376, 1618, 2236, 2752, 3236, 4472, 6472, 8944, 10517, 12944, 17888, 21034, 25888, 34787, 35776, 42068, 51776, 69574, 84136, 139148, 168272, 278296, 336544, 452231, 556592, 673088, 904462, 1113184, 1808924, 2226368, 3617848, 7235696, 14471392, 28942784]

約数ペア:

[(1, 28942784), (2, 14471392), (4, 7235696), (8, 3617848), (13, 2226368), (16, 1808924), (26, 1113184), (32, 904462), (43, 673088), (52, 556592), (64, 452231), (86, 336544), (104, 278296), (172, 168272), (208, 139148), (344, 84136), (416, 69574), (559, 51776), (688, 42068), (809, 35776), (832, 34787), (1118, 25888), (1376, 21034), (1618, 17888), (2236, 12944), (2752, 10517), (3236, 8944), (4472, 6472)]