81866044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{1787}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 154547568

約数和(自身を除く): 72681524

約数列:

[1, 2, 4, 13, 26, 52, 881, 1762, 1787, 3524, 3574, 7148, 11453, 22906, 23231, 45812, 46462, 92924, 1574347, 3148694, 6297388, 20466511, 40933022, 81866044]

約数ペア:

[(1, 81866044), (2, 40933022), (4, 20466511), (13, 6297388), (26, 3148694), (52, 1574347), (881, 92924), (1762, 46462), (1787, 45812), (3524, 23231), (3574, 22906), (7148, 11453)]