216506430434

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{813933949}}^1$

素因数の和:813933977

約数の個数: 16

約数和(自身を含む): 390688296000

約数和(自身を除く): 174181865566

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 813933949, 1627867898, 5697537643, 11395075286, 15464745031, 30929490062, 108253215217, 216506430434]

約数ペア:

[(1, 216506430434), (2, 108253215217), (7, 30929490062), (14, 15464745031), (19, 11395075286), (38, 5697537643), (133, 1627867898), (266, 813933949)]