278142722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{5039}}^1$

素因数の和:5258

約数の個数: 32

約数和(自身を含む): 492791040

約数和(自身を除く): 214648318

約数列:

[1, 2, 11, 13, 22, 26, 143, 193, 286, 386, 2123, 2509, 4246, 5018, 5039, 10078, 27599, 55198, 55429, 65507, 110858, 131014, 720577, 972527, 1441154, 1945054, 10697797, 12642851, 21395594, 25285702, 139071361, 278142722]

約数ペア:

[(1, 278142722), (2, 139071361), (11, 25285702), (13, 21395594), (22, 12642851), (26, 10697797), (143, 1945054), (193, 1441154), (286, 972527), (386, 720577), (2123, 131014), (2509, 110858), (4246, 65507), (5018, 55429), (5039, 55198), (10078, 27599)]