217009328

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{60821}}^1$

素因数の和:61052

約数の個数: 20

約数和(自身を含む): 422347968

約数和(自身を除く): 205338640

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 60821, 121642, 243284, 486568, 973136, 13563083, 27126166, 54252332, 108504664, 217009328]

約数ペア:

[(1, 217009328), (2, 108504664), (4, 54252332), (8, 27126166), (16, 13563083), (223, 973136), (446, 486568), (892, 243284), (1784, 121642), (3568, 60821)]