51721852

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 115831296

約数和(自身を除く): 64109444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 53, 91, 98, 106, 182, 196, 212, 364, 371, 383, 637, 689, 742, 766, 1274, 1378, 1484, 1532, 2548, 2597, 2681, 2756, 4823, 4979, 5194, 5362, 9646, 9958, 10388, 10724, 18767, 19292, 19916, 20299, 33761, 34853, 37534, 40598, 67522, 69706, 75068, 81196, 135044, 139412, 142093, 243971, 263887, 284186, 487942, 527774, 568372, 975884, 994651, 1055548, 1847209, 1989302, 3694418, 3978604, 7388836, 12930463, 25860926, 51721852]

約数ペア:

[(1, 51721852), (2, 25860926), (4, 12930463), (7, 7388836), (13, 3978604), (14, 3694418), (26, 1989302), (28, 1847209), (49, 1055548), (52, 994651), (53, 975884), (91, 568372), (98, 527774), (106, 487942), (182, 284186), (196, 263887), (212, 243971), (364, 142093), (371, 139412), (383, 135044), (637, 81196), (689, 75068), (742, 69706), (766, 67522), (1274, 40598), (1378, 37534), (1484, 34853), (1532, 33761), (2548, 20299), (2597, 19916), (2681, 19292), (2756, 18767), (4823, 10724), (4979, 10388), (5194, 9958), (5362, 9646)]