128538872

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{208667}}^1$

素因数の和:208691

約数の個数: 32

約数和(自身を含む): 300481920

約数和(自身を除く): 171943048

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 208667, 417334, 834668, 1460669, 1669336, 2295337, 2921338, 4590674, 5842676, 9181348, 11685352, 16067359, 18362696, 32134718, 64269436, 128538872]

約数ペア:

[(1, 128538872), (2, 64269436), (4, 32134718), (7, 18362696), (8, 16067359), (11, 11685352), (14, 9181348), (22, 5842676), (28, 4590674), (44, 2921338), (56, 2295337), (77, 1669336), (88, 1460669), (154, 834668), (308, 417334), (616, 208667)]