78517804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 149597280

約数和(自身を除く): 71079476

約数列:

[1, 2, 4, 19, 38, 53, 76, 101, 106, 193, 202, 212, 386, 404, 772, 1007, 1919, 2014, 3667, 3838, 4028, 5353, 7334, 7676, 10229, 10706, 14668, 19493, 20458, 21412, 38986, 40916, 77972, 101707, 194351, 203414, 370367, 388702, 406828, 740734, 777404, 1033129, 1481468, 2066258, 4132516, 19629451, 39258902, 78517804]

約数ペア:

[(1, 78517804), (2, 39258902), (4, 19629451), (19, 4132516), (38, 2066258), (53, 1481468), (76, 1033129), (101, 777404), (106, 740734), (193, 406828), (202, 388702), (212, 370367), (386, 203414), (404, 194351), (772, 101707), (1007, 77972), (1919, 40916), (2014, 38986), (3667, 21412), (3838, 20458), (4028, 19493), (5353, 14668), (7334, 10706), (7676, 10229)]