131228432

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8293}}^1$

素因数の和:8367

約数の個数: 40

約数和(自身を含む): 271512384

約数和(自身を除く): 140283952

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 8293, 15824, 16586, 33172, 66344, 132688, 190739, 356599, 381478, 713198, 762956, 1426396, 1525912, 2852792, 3051824, 5705584, 8201777, 16403554, 32807108, 65614216, 131228432]

約数ペア:

[(1, 131228432), (2, 65614216), (4, 32807108), (8, 16403554), (16, 8201777), (23, 5705584), (43, 3051824), (46, 2852792), (86, 1525912), (92, 1426396), (172, 762956), (184, 713198), (344, 381478), (368, 356599), (688, 190739), (989, 132688), (1978, 66344), (3956, 33172), (7912, 16586), (8293, 15824)]