278980596

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 724039680

約数和(自身を除く): 445059084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 83, 146, 166, 219, 249, 292, 332, 438, 498, 657, 747, 876, 996, 1279, 1314, 1494, 2558, 2628, 2988, 3837, 5116, 6059, 7674, 11511, 12118, 15348, 18177, 23022, 24236, 36354, 46044, 54531, 72708, 93367, 106157, 109062, 186734, 212314, 218124, 280101, 318471, 373468, 424628, 560202, 636942, 840303, 955413, 1120404, 1273884, 1680606, 1910826, 3361212, 3821652, 7749461, 15498922, 23248383, 30997844, 46496766, 69745149, 92993532, 139490298, 278980596]

約数ペア:

[(1, 278980596), (2, 139490298), (3, 92993532), (4, 69745149), (6, 46496766), (9, 30997844), (12, 23248383), (18, 15498922), (36, 7749461), (73, 3821652), (83, 3361212), (146, 1910826), (166, 1680606), (219, 1273884), (249, 1120404), (292, 955413), (332, 840303), (438, 636942), (498, 560202), (657, 424628), (747, 373468), (876, 318471), (996, 280101), (1279, 218124), (1314, 212314), (1494, 186734), (2558, 109062), (2628, 106157), (2988, 93367), (3837, 72708), (5116, 54531), (6059, 46044), (7674, 36354), (11511, 24236), (12118, 23022), (15348, 18177)]