28996811977

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 35089200000

約数和(自身を除く): 6092388023

約数列:

[1, 7, 37, 49, 179, 199, 259, 449, 1253, 1393, 1813, 3143, 6623, 7363, 8771, 9751, 16613, 22001, 35621, 46361, 51541, 80371, 89351, 116291, 249347, 324527, 360787, 562597, 625457, 814037, 1317977, 1745429, 2973727, 3305987, 3938179, 4378199, 9225839, 15993829, 20816089, 23141909, 64580873, 111956803, 145712623, 161993363, 591771673, 783697621, 4142401711, 28996811977]

約数ペア:

[(1, 28996811977), (7, 4142401711), (37, 783697621), (49, 591771673), (179, 161993363), (199, 145712623), (259, 111956803), (449, 64580873), (1253, 23141909), (1393, 20816089), (1813, 15993829), (3143, 9225839), (6623, 4378199), (7363, 3938179), (8771, 3305987), (9751, 2973727), (16613, 1745429), (22001, 1317977), (35621, 814037), (46361, 625457), (51541, 562597), (80371, 360787), (89351, 324527), (116291, 249347)]