2019381805

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{42961}}^1$

素因数の和:43069

約数の個数: 32

約数和(自身を含む): 2969533440

約数和(自身を除く): 950151635

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 395, 553, 595, 1343, 2765, 6715, 9401, 42961, 47005, 214805, 300727, 730337, 1503635, 3393919, 3651685, 5112359, 16969595, 23757433, 25561795, 57696623, 118787165, 288483115, 403876361, 2019381805]

約数ペア:

[(1, 2019381805), (5, 403876361), (7, 288483115), (17, 118787165), (35, 57696623), (79, 25561795), (85, 23757433), (119, 16969595), (395, 5112359), (553, 3651685), (595, 3393919), (1343, 1503635), (2765, 730337), (6715, 300727), (9401, 214805), (42961, 47005)]