81798668

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{23003}}^1$

素因数の和:23141

約数の個数: 24

約数和(自身を含む): 164892672

約数和(自身を除く): 83094004

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 23003, 46006, 92012, 161021, 322042, 644084, 2921381, 5842762, 11685524, 20449667, 40899334, 81798668]

約数ペア:

[(1, 81798668), (2, 40899334), (4, 20449667), (7, 11685524), (14, 5842762), (28, 2921381), (127, 644084), (254, 322042), (508, 161021), (889, 92012), (1778, 46006), (3556, 23003)]