86820910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2029}}^1$

素因数の和:2436

約数の個数: 32

約数和(自身を含む): 171007200

約数和(自身を除く): 84186290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 2029, 3890, 4058, 4279, 8558, 10145, 20290, 21395, 22319, 42790, 44638, 111595, 223190, 789281, 1578562, 3946405, 7892810, 8682091, 17364182, 43410455, 86820910]

約数ペア:

[(1, 86820910), (2, 43410455), (5, 17364182), (10, 8682091), (11, 7892810), (22, 3946405), (55, 1578562), (110, 789281), (389, 223190), (778, 111595), (1945, 44638), (2029, 42790), (3890, 22319), (4058, 21395), (4279, 20290), (8558, 10145)]