27870172

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:762

約数の個数: 36

約数和(自身を含む): 54295920

約数和(自身を除く): 26425748

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 242, 356, 484, 647, 979, 1294, 1958, 2588, 3916, 7117, 10769, 14234, 21538, 28468, 43076, 57583, 78287, 115166, 156574, 230332, 313148, 633413, 1266826, 2533652, 6967543, 13935086, 27870172]

約数ペア:

[(1, 27870172), (2, 13935086), (4, 6967543), (11, 2533652), (22, 1266826), (44, 633413), (89, 313148), (121, 230332), (178, 156574), (242, 115166), (356, 78287), (484, 57583), (647, 43076), (979, 28468), (1294, 21538), (1958, 14234), (2588, 10769), (3916, 7117)]