81019918

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{53093}}^1$

素因数の和:53211

約数の個数: 16

約数和(自身を含む): 140168160

約数和(自身を除く): 59148242

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 53093, 106186, 371651, 743302, 5787137, 11574274, 40509959, 81019918]

約数ペア:

[(1, 81019918), (2, 40509959), (7, 11574274), (14, 5787137), (109, 743302), (218, 371651), (763, 106186), (1526, 53093)]