71129396

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2520

約数の個数: 36

約数和(自身を含む): 137979072

約数和(自身を除く): 66849676

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 169, 172, 338, 559, 676, 1118, 2236, 2447, 4894, 7267, 9788, 14534, 29068, 31811, 63622, 105221, 127244, 210442, 413543, 420884, 827086, 1367873, 1654172, 2735746, 5471492, 17782349, 35564698, 71129396]

約数ペア:

[(1, 71129396), (2, 35564698), (4, 17782349), (13, 5471492), (26, 2735746), (43, 1654172), (52, 1367873), (86, 827086), (169, 420884), (172, 413543), (338, 210442), (559, 127244), (676, 105221), (1118, 63622), (2236, 31811), (2447, 29068), (4894, 14534), (7267, 9788)]