87561244

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{11839}}^1$

素因数の和:11929

約数の個数: 18

約数和(自身を含む): 156891840

約数和(自身を除く): 69330596

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 11839, 23678, 47356, 509077, 1018154, 2036308, 21890311, 43780622, 87561244]

約数ペア:

[(1, 87561244), (2, 43780622), (4, 21890311), (43, 2036308), (86, 1018154), (172, 509077), (1849, 47356), (3698, 23678), (7396, 11839)]