78968778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1880209}}^1$

素因数の和:1880221

約数の個数: 16

約数和(自身を含む): 180500160

約数和(自身を除く): 101531382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1880209, 3760418, 5640627, 11281254, 13161463, 26322926, 39484389, 78968778]

約数ペア:

[(1, 78968778), (2, 39484389), (3, 26322926), (6, 13161463), (7, 11281254), (14, 5640627), (21, 3760418), (42, 1880209)]