218157438

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1580851}}^1$

素因数の和:1580879

約数の個数: 16

約数和(自身を含む): 455285376

約数和(自身を除く): 237127938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 1580851, 3161702, 4742553, 9485106, 36359573, 72719146, 109078719, 218157438]

約数ペア:

[(1, 218157438), (2, 109078719), (3, 72719146), (6, 36359573), (23, 9485106), (46, 4742553), (69, 3161702), (138, 1580851)]