78880518

素因数分解:

$2^1\times 3^2\times {\mathrm{4382251}}^1$

素因数の和:4382259

約数の個数: 12

約数和(自身を含む): 170907828

約数和(自身を除く): 92027310

約数列:

[1, 2, 3, 6, 9, 18, 4382251, 8764502, 13146753, 26293506, 39440259, 78880518]

約数ペア:

[(1, 78880518), (2, 39440259), (3, 26293506), (6, 13146753), (9, 8764502), (18, 4382251)]