81440042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{7573}}^1$

素因数の和:7877

約数の個数: 16

約数和(自身を含む): 129060960

約数和(自身を除く): 47620918

約数列:

[1, 2, 19, 38, 283, 566, 5377, 7573, 10754, 15146, 143887, 287774, 2143159, 4286318, 40720021, 81440042]

約数ペア:

[(1, 81440042), (2, 40720021), (19, 4286318), (38, 2143159), (283, 287774), (566, 143887), (5377, 15146), (7573, 10754)]