81571556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{5923}}^1$

素因数の和:6251

約数の個数: 24

約数和(自身を含む): 156251424

約数和(自身を除く): 74679868

約数列:

[1, 2, 4, 11, 22, 44, 313, 626, 1252, 3443, 5923, 6886, 11846, 13772, 23692, 65153, 130306, 260612, 1853899, 3707798, 7415596, 20392889, 40785778, 81571556]

約数ペア:

[(1, 81571556), (2, 40785778), (4, 20392889), (11, 7415596), (22, 3707798), (44, 1853899), (313, 260612), (626, 130306), (1252, 65153), (3443, 23692), (5923, 13772), (6886, 11846)]