129655519

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 155458608

約数和(自身を除く): 25803089

約数列:

[1, 7, 49, 67, 73, 469, 511, 541, 3283, 3577, 3787, 4891, 26509, 34237, 36247, 39493, 239659, 253729, 276451, 1776103, 1935157, 2646031, 18522217, 129655519]

約数ペア:

[(1, 129655519), (7, 18522217), (49, 2646031), (67, 1935157), (73, 1776103), (469, 276451), (511, 253729), (541, 239659), (3283, 39493), (3577, 36247), (3787, 34237), (4891, 26509)]