12420784

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 40

約数和(自身を含む): 24998400

約数和(自身を除く): 12577616

約数列:

[1, 2, 4, 8, 16, 47, 83, 94, 166, 188, 199, 332, 376, 398, 664, 752, 796, 1328, 1592, 3184, 3901, 7802, 9353, 15604, 16517, 18706, 31208, 33034, 37412, 62416, 66068, 74824, 132136, 149648, 264272, 776299, 1552598, 3105196, 6210392, 12420784]

約数ペア:

[(1, 12420784), (2, 6210392), (4, 3105196), (8, 1552598), (16, 776299), (47, 264272), (83, 149648), (94, 132136), (166, 74824), (188, 66068), (199, 62416), (332, 37412), (376, 33034), (398, 31208), (664, 18706), (752, 16517), (796, 15604), (1328, 9353), (1592, 7802), (3184, 3901)]