309208774

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 564111648

約数和(自身を除く): 254902874

約数列:

[1, 2, 7, 14, 19, 38, 133, 193, 266, 317, 361, 386, 634, 722, 1351, 2219, 2527, 2702, 3667, 4438, 5054, 6023, 7334, 12046, 25669, 42161, 51338, 61181, 69673, 84322, 114437, 122362, 139346, 228874, 428267, 487711, 801059, 856534, 975422, 1162439, 1602118, 2324878, 8137073, 16274146, 22086341, 44172682, 154604387, 309208774]

約数ペア:

[(1, 309208774), (2, 154604387), (7, 44172682), (14, 22086341), (19, 16274146), (38, 8137073), (133, 2324878), (193, 1602118), (266, 1162439), (317, 975422), (361, 856534), (386, 801059), (634, 487711), (722, 428267), (1351, 228874), (2219, 139346), (2527, 122362), (2702, 114437), (3667, 84322), (4438, 69673), (5054, 61181), (6023, 51338), (7334, 42161), (12046, 25669)]