249095665

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 377313552

約数和(自身を除く): 128217887

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 197, 245, 397, 455, 637, 985, 1379, 1985, 2561, 2779, 3185, 5161, 6895, 9653, 12805, 13895, 17927, 19453, 25805, 36127, 48265, 78209, 89635, 97265, 125489, 180635, 252889, 391045, 547463, 627445, 1016717, 1264445, 2737315, 3832241, 5083585, 7117019, 19161205, 35585095, 49819133, 249095665]

約数ペア:

[(1, 249095665), (5, 49819133), (7, 35585095), (13, 19161205), (35, 7117019), (49, 5083585), (65, 3832241), (91, 2737315), (197, 1264445), (245, 1016717), (397, 627445), (455, 547463), (637, 391045), (985, 252889), (1379, 180635), (1985, 125489), (2561, 97265), (2779, 89635), (3185, 78209), (5161, 48265), (6895, 36127), (9653, 25805), (12805, 19453), (13895, 17927)]