12789232

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 26270640

約数和(自身を除く): 13481408

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 641, 688, 1247, 1282, 2494, 2564, 4988, 5128, 9976, 10256, 18589, 19952, 27563, 37178, 55126, 74356, 110252, 148712, 220504, 297424, 441008, 799327, 1598654, 3197308, 6394616, 12789232]

約数ペア:

[(1, 12789232), (2, 6394616), (4, 3197308), (8, 1598654), (16, 799327), (29, 441008), (43, 297424), (58, 220504), (86, 148712), (116, 110252), (172, 74356), (232, 55126), (344, 37178), (464, 27563), (641, 19952), (688, 18589), (1247, 10256), (1282, 9976), (2494, 5128), (2564, 4988)]