219064937

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{343901}}^1$

素因数の和:343928

約数の個数: 12

約数和(自身を含む): 274433796

約数和(自身を除く): 55368859

約数列:

[1, 7, 13, 49, 91, 637, 343901, 2407307, 4470713, 16851149, 31294991, 219064937]

約数ペア:

[(1, 219064937), (7, 31294991), (13, 16851149), (49, 4470713), (91, 2407307), (637, 343901)]