1288894518

素因数分解:

$2^1\times 3^4\times {\mathrm{7956139}}^1$

素因数の和:7956153

約数の個数: 20

約数和(自身を含む): 2888078820

約数和(自身を除く): 1599184302

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 7956139, 15912278, 23868417, 47736834, 71605251, 143210502, 214815753, 429631506, 644447259, 1288894518]

約数ペア:

[(1, 1288894518), (2, 644447259), (3, 429631506), (6, 214815753), (9, 143210502), (18, 71605251), (27, 47736834), (54, 23868417), (81, 15912278), (162, 7956139)]