278968188081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^2\times {\mathrm{197}}^1\times {\mathrm{6229}}^1$

素因数の和:6606

約数の個数: 48

約数和(自身を含む): 412870772160

約数和(自身を除く): 133902584079

約数列:

[1, 3, 11, 33, 83, 197, 249, 591, 913, 2167, 2739, 6229, 6501, 6889, 16351, 18687, 20667, 49053, 68519, 75779, 179861, 205557, 227337, 517007, 539583, 1227113, 1357133, 1551021, 3681339, 4071399, 5687077, 13498243, 14928463, 17061231, 40494729, 42911581, 44785389, 101850379, 128734743, 305551137, 472027391, 1120354169, 1416082173, 3361062507, 8453581457, 25360744371, 92989396027, 278968188081]

約数ペア:

[(1, 278968188081), (3, 92989396027), (11, 25360744371), (33, 8453581457), (83, 3361062507), (197, 1416082173), (249, 1120354169), (591, 472027391), (913, 305551137), (2167, 128734743), (2739, 101850379), (6229, 44785389), (6501, 42911581), (6889, 40494729), (16351, 17061231), (18687, 14928463), (20667, 13498243), (49053, 5687077), (68519, 4071399), (75779, 3681339), (179861, 1551021), (205557, 1357133), (227337, 1227113), (517007, 539583)]