51994925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 73923840

約数和(自身を除く): 21928915

約数列:

[1, 5, 17, 19, 25, 47, 85, 95, 137, 235, 323, 425, 475, 685, 799, 893, 1175, 1615, 2329, 2603, 3425, 3995, 4465, 6439, 8075, 11645, 13015, 15181, 19975, 22325, 32195, 44251, 58225, 65075, 75905, 109463, 122341, 160975, 221255, 379525, 547315, 611705, 1106275, 2079797, 2736575, 3058525, 10398985, 51994925]

約数ペア:

[(1, 51994925), (5, 10398985), (17, 3058525), (19, 2736575), (25, 2079797), (47, 1106275), (85, 611705), (95, 547315), (137, 379525), (235, 221255), (323, 160975), (425, 122341), (475, 109463), (685, 75905), (799, 65075), (893, 58225), (1175, 44251), (1615, 32195), (2329, 22325), (2603, 19975), (3425, 15181), (3995, 13015), (4465, 11645), (6439, 8075)]