12871786

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1987}}^1$

素因数の和:2109

約数の個数: 16

約数和(自身を含む): 20039040

約数和(自身を除く): 7167254

約数列:

[1, 2, 41, 79, 82, 158, 1987, 3239, 3974, 6478, 81467, 156973, 162934, 313946, 6435893, 12871786]

約数ペア:

[(1, 12871786), (2, 6435893), (41, 313946), (79, 162934), (82, 156973), (158, 81467), (1987, 6478), (3239, 3974)]