643493284

素因数分解:

$2^2\times 7^2\times {\mathrm{3283129}}^1$

素因数の和:3283147

約数の個数: 18

約数和(自身を含む): 1309968870

約数和(自身を除く): 666475586

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 3283129, 6566258, 13132516, 22981903, 45963806, 91927612, 160873321, 321746642, 643493284]

約数ペア:

[(1, 643493284), (2, 321746642), (4, 160873321), (7, 91927612), (14, 45963806), (28, 22981903), (49, 13132516), (98, 6566258), (196, 3283129)]