78840814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{42709}}^1$

素因数の和:42795

約数の個数: 16

約数和(自身を含む): 129155040

約数和(自身を除く): 50314226

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 42709, 85418, 555217, 1110434, 3032339, 6064678, 39420407, 78840814]

約数ペア:

[(1, 78840814), (2, 39420407), (13, 6064678), (26, 3032339), (71, 1110434), (142, 555217), (923, 85418), (1846, 42709)]