217630518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{5181679}}^1$

素因数の和:5181691

約数の個数: 16

約数和(自身を含む): 497441280

約数和(自身を除く): 279810762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 5181679, 10363358, 15545037, 31090074, 36271753, 72543506, 108815259, 217630518]

約数ペア:

[(1, 217630518), (2, 108815259), (3, 72543506), (6, 36271753), (7, 31090074), (14, 15545037), (21, 10363358), (42, 5181679)]