31131254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6521}}^1$

素因数の和:6572

約数の個数: 32

約数和(自身を含む): 60106752

約数和(自身を除く): 28975498

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 6521, 13042, 45647, 71731, 91294, 143462, 202151, 404302, 502117, 1004234, 1415057, 2223661, 2830114, 4447322, 15565627, 31131254]

約数ペア:

[(1, 31131254), (2, 15565627), (7, 4447322), (11, 2830114), (14, 2223661), (22, 1415057), (31, 1004234), (62, 502117), (77, 404302), (154, 202151), (217, 143462), (341, 91294), (434, 71731), (682, 45647), (2387, 13042), (4774, 6521)]