31800392

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 66187440

約数和(自身を除く): 34387048

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 547, 559, 676, 1094, 1118, 1352, 2188, 2236, 4376, 4472, 7111, 7267, 14222, 14534, 23521, 28444, 29068, 47042, 56888, 58136, 92443, 94084, 184886, 188168, 305773, 369772, 611546, 739544, 1223092, 2446184, 3975049, 7950098, 15900196, 31800392]

約数ペア:

[(1, 31800392), (2, 15900196), (4, 7950098), (8, 3975049), (13, 2446184), (26, 1223092), (43, 739544), (52, 611546), (86, 369772), (104, 305773), (169, 188168), (172, 184886), (338, 94084), (344, 92443), (547, 58136), (559, 56888), (676, 47042), (1094, 29068), (1118, 28444), (1352, 23521), (2188, 14534), (2236, 14222), (4376, 7267), (4472, 7111)]