989819605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{43691}}^1$

素因数の和:43916

約数の個数: 16

約数和(自身を含む): 1245746304

約数和(自身を除く): 255926699

約数列:

[1, 5, 23, 115, 197, 985, 4531, 22655, 43691, 218455, 1004893, 5024465, 8607127, 43035635, 197963921, 989819605]

約数ペア:

[(1, 989819605), (5, 197963921), (23, 43035635), (115, 8607127), (197, 5024465), (985, 1004893), (4531, 218455), (22655, 43691)]