138304168

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{983}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 266270400

約数和(自身を除く): 127966232

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 409, 818, 983, 1636, 1966, 3272, 3932, 7864, 17587, 35174, 42269, 70348, 84538, 140696, 169076, 338152, 402047, 804094, 1608188, 3216376, 17288021, 34576042, 69152084, 138304168]

約数ペア:

[(1, 138304168), (2, 69152084), (4, 34576042), (8, 17288021), (43, 3216376), (86, 1608188), (172, 804094), (344, 402047), (409, 338152), (818, 169076), (983, 140696), (1636, 84538), (1966, 70348), (3272, 42269), (3932, 35174), (7864, 17587)]