81385878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1937759}}^1$

素因数の和:1937771

約数の個数: 16

約数和(自身を含む): 186024960

約数和(自身を除く): 104639082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1937759, 3875518, 5813277, 11626554, 13564313, 27128626, 40692939, 81385878]

約数ペア:

[(1, 81385878), (2, 40692939), (3, 27128626), (6, 13564313), (7, 11626554), (14, 5813277), (21, 3875518), (42, 1937759)]