81810484

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{43609}}^1$

素因数の和:43687

約数の個数: 24

約数和(自身を含む): 166066880

約数和(自身を除く): 84256396

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 43609, 87218, 174436, 305263, 610526, 1221052, 2921803, 5843606, 11687212, 20452621, 40905242, 81810484]

約数ペア:

[(1, 81810484), (2, 40905242), (4, 20452621), (7, 11687212), (14, 5843606), (28, 2921803), (67, 1221052), (134, 610526), (268, 305263), (469, 174436), (938, 87218), (1876, 43609)]