12964328

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 27054720

約数和(自身を除く): 14090392

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 223, 338, 344, 446, 559, 676, 892, 1118, 1352, 1784, 2236, 2899, 4472, 5798, 7267, 9589, 11596, 14534, 19178, 23192, 29068, 37687, 38356, 58136, 75374, 76712, 124657, 150748, 249314, 301496, 498628, 997256, 1620541, 3241082, 6482164, 12964328]

約数ペア:

[(1, 12964328), (2, 6482164), (4, 3241082), (8, 1620541), (13, 997256), (26, 498628), (43, 301496), (52, 249314), (86, 150748), (104, 124657), (169, 76712), (172, 75374), (223, 58136), (338, 38356), (344, 37687), (446, 29068), (559, 23192), (676, 19178), (892, 14534), (1118, 11596), (1352, 9589), (1784, 7267), (2236, 5798), (2899, 4472)]