81782596

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{21013}}^1$

素因数の和:21163

約数の個数: 24

約数和(自身を含む): 164749760

約数和(自身を除く): 82967164

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 21013, 42026, 84052, 147091, 294182, 588364, 2920807, 5841614, 11683228, 20445649, 40891298, 81782596]

約数ペア:

[(1, 81782596), (2, 40891298), (4, 20445649), (7, 11683228), (14, 5841614), (28, 2920807), (139, 588364), (278, 294182), (556, 147091), (973, 84052), (1946, 42026), (3892, 21013)]