222019924

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{19387}}^1$

素因数の和:19807

約数の個数: 24

約数和(自身を含む): 445148480

約数和(自身を除く): 223128556

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 11452, 19387, 38774, 77548, 135709, 271418, 542836, 7929283, 15858566, 31717132, 55504981, 111009962, 222019924]

約数ペア:

[(1, 222019924), (2, 111009962), (4, 55504981), (7, 31717132), (14, 15858566), (28, 7929283), (409, 542836), (818, 271418), (1636, 135709), (2863, 77548), (5726, 38774), (11452, 19387)]