661933778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 1101425472

約数和(自身を除く): 439491694

約数列:

[1, 2, 11, 22, 73, 146, 641, 643, 803, 1282, 1286, 1606, 7051, 7073, 14102, 14146, 46793, 46939, 93586, 93878, 412163, 514723, 516329, 824326, 1029446, 1032658, 4533793, 9067586, 30087899, 60175798, 330966889, 661933778]

約数ペア:

[(1, 661933778), (2, 330966889), (11, 60175798), (22, 30087899), (73, 9067586), (146, 4533793), (641, 1032658), (643, 1029446), (803, 824326), (1282, 516329), (1286, 514723), (1606, 412163), (7051, 93878), (7073, 93586), (14102, 46939), (14146, 46793)]